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472131760 = 24519383811
BaseRepresentation
bin11100001001000…
…010100010110000
31012220101210000111
4130021002202300
51431331204020
6114503231104
714462024302
oct3411024260
91186353014
10472131760
11222562641
12112148494
1376a78509
14469bd972
152b6b0d5a
hex1c2428b0

472131760 has 80 divisors (see below), whose sum is σ = 1159925760. Its totient is φ = 178225920.

The previous prime is 472131719. The next prime is 472131799. The reversal of 472131760 is 67131274.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 581755 + ... + 582565.

It is an arithmetic number, because the mean of its divisors is an integer number (14499072).

Almost surely, 2472131760 is an apocalyptic number.

472131760 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 472131760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (579962880).

472131760 is an abundant number, since it is smaller than the sum of its proper divisors (687794000).

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

472131760 is a wasteful number, since it uses less digits than its factorization.

472131760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226 (or 1220 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 472131760 is about 21728.5931435977. The cubic root of 472131760 is about 778.6717257574.

It can be divided in two parts, 4721 and 31760, that added together give a square (36481 = 1912).

The spelling of 472131760 in words is "four hundred seventy-two million, one hundred thirty-one thousand, seven hundred sixty".

Divisors: 1 2 4 5 8 10 16 19 20 38 40 76 80 95 152 190 304 380 383 760 766 811 1520 1532 1622 1915 3064 3244 3830 4055 6128 6488 7277 7660 8110 12976 14554 15320 15409 16220 29108 30640 30818 32440 36385 58216 61636 64880 72770 77045 116432 123272 145540 154090 246544 291080 308180 310613 582160 616360 621226 1232720 1242452 1553065 2484904 3106130 4969808 5901647 6212260 11803294 12424520 23606588 24849040 29508235 47213176 59016470 94426352 118032940 236065880 472131760