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52471692 = 223371319281
BaseRepresentation
bin1100100000101…
…0011110001100
310122201211122000
43020022132030
5101413043232
65112352300
71205000460
oct310123614
9118654560
1052471692
1127689839
12156a5690
13ab42450
146d7c4a0
15491727c
hex320a78c

52471692 has 192 divisors, whose sum is σ = 176870400. Its totient is φ = 13063680.

The previous prime is 52471669. The next prime is 52471753. The reversal of 52471692 is 29617425.

52471692 is a `hidden beast` number, since 524 + 71 + 69 + 2 = 666.

It is a super-2 number, since 2×524716922 = 5506556922685728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 186592 + ... + 186872.

It is an arithmetic number, because the mean of its divisors is an integer number (921200).

Almost surely, 252471692 is an apocalyptic number.

52471692 is a gapful number since it is divisible by the number (52) 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 52471692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88435200).

52471692 is an abundant number, since it is smaller than the sum of its proper divisors (124398708).

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

52471692 is a wasteful number, since it uses less digits than its factorization.

52471692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333 (or 325 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 52471692 is about 7243.7346721149. The cubic root of 52471692 is about 374.3763072614.

The spelling of 52471692 in words is "fifty-two million, four hundred seventy-one thousand, six hundred ninety-two".