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52668476 = 22715711981
BaseRepresentation
bin1100100011101…
…0100000111100
310200002211120022
43020322200330
5101440342401
65120511312
71206450260
oct310724074
9120084508
1052668476
1127803673
121577b538
13abb0ba3
146dd00a0
15495571b
hex323a83c

52668476 has 24 divisors (see below), whose sum is σ = 106016736. Its totient is φ = 22426560.

The previous prime is 52668467. The next prime is 52668479. The reversal of 52668476 is 67486625.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52668479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1595 + ... + 10386.

It is an arithmetic number, because the mean of its divisors is an integer number (4417364).

Almost surely, 252668476 is an apocalyptic number.

It is an amenable number.

52668476 is an abundant number, since it is smaller than the sum of its proper divisors (53348260).

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

52668476 is a wasteful number, since it uses less digits than its factorization.

52668476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12149 (or 12147 counting only the distinct ones).

The product of its digits is 483840, while the sum is 44.

The square root of 52668476 is about 7257.3050094370. The cubic root of 52668476 is about 374.8437298511.

The spelling of 52668476 in words is "fifty-two million, six hundred sixty-eight thousand, four hundred seventy-six".

Divisors: 1 2 4 7 14 28 157 314 628 1099 2198 4396 11981 23962 47924 83867 167734 335468 1881017 3762034 7524068 13167119 26334238 52668476