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52359972 = 22371953619
BaseRepresentation
bin1100011110111…
…1001100100100
310122112011101020
43013233030210
5101401004342
65110131140
71204023660
oct307571444
9118464336
1052359972
1127612905
1215650ab0
13ab03642
146d4d8a0
1548e40ec
hex31ef324

52359972 has 96 divisors (see below), whose sum is σ = 149990400. Its totient is φ = 13882752.

The previous prime is 52359959. The next prime is 52359973. The reversal of 52359972 is 27995325.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (52359973) 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, 84279 + ... + 84897.

It is an arithmetic number, because the mean of its divisors is an integer number (1562400).

Almost surely, 252359972 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52359972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74995200).

52359972 is an abundant number, since it is smaller than the sum of its proper divisors (97630428).

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

52359972 is a wasteful number, since it uses less digits than its factorization.

52359972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705 (or 703 counting only the distinct ones).

The product of its digits is 170100, while the sum is 42.

The square root of 52359972 is about 7236.0190712850. The cubic root of 52359972 is about 374.1104176060.

The spelling of 52359972 in words is "fifty-two million, three hundred fifty-nine thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 7 12 14 19 21 28 38 42 53 57 76 84 106 114 133 159 212 228 266 318 371 399 532 619 636 742 798 1007 1113 1238 1484 1596 1857 2014 2226 2476 3021 3714 4028 4333 4452 6042 7049 7428 8666 11761 12084 12999 14098 17332 21147 23522 25998 28196 32807 35283 42294 47044 51996 65614 70566 82327 84588 98421 131228 141132 164654 196842 229649 246981 329308 393684 459298 493962 623333 688947 918596 987924 1246666 1377894 1869999 2493332 2755788 3739998 4363331 7479996 8726662 13089993 17453324 26179986 52359972