Search a number
-
+
472112760 = 233571929581
BaseRepresentation
bin11100001000111…
…101111001111000
31012220100210221210
4130020331321320
51431330102020
6114503003120
714461615020
oct3410757170
91186323853
10472112760
1122254a339
121121394a0
1376a6c982
14469b6a80
152b6aa3e0
hex1c23de78

472112760 has 128 divisors (see below), whose sum is σ = 1703923200. Its totient is φ = 102228480.

The previous prime is 472112759. The next prime is 472112761. The reversal of 472112760 is 67211274.

It is an interprime number because it is at equal distance from previous prime (472112759) and next prime (472112761).

It is a super-3 number, since 3×4721127603 (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472112761) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1170 + ... + 30750.

It is an arithmetic number, because the mean of its divisors is an integer number (13311900).

Almost surely, 2472112760 is an apocalyptic number.

472112760 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 472112760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (851961600).

472112760 is an abundant number, since it is smaller than the sum of its proper divisors (1231810440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

472112760 is a wasteful number, since it uses less digits than its factorization.

472112760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29621 (or 29617 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 472112760 is about 21728.1559272756. The cubic root of 472112760 is about 778.6612802543.

The spelling of 472112760 in words is "four hundred seventy-two million, one hundred twelve thousand, seven hundred sixty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 19 20 21 24 28 30 35 38 40 42 56 57 60 70 76 84 95 105 114 120 133 140 152 168 190 210 228 266 280 285 380 399 420 456 532 570 665 760 798 840 1064 1140 1330 1596 1995 2280 2660 3192 3990 5320 7980 15960 29581 59162 88743 118324 147905 177486 207067 236648 295810 354972 414134 443715 562039 591620 621201 709944 828268 887430 1035335 1124078 1183240 1242402 1656536 1686117 1774860 2070670 2248156 2484804 2810195 3106005 3372234 3549720 3934273 4141340 4496312 4969608 5620390 6212010 6744468 7868546 8282680 8430585 11240780 11802819 12424020 13488936 15737092 16861170 19671365 22481560 23605638 24848040 31474184 33722340 39342730 47211276 59014095 67444680 78685460 94422552 118028190 157370920 236056380 472112760