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52152502 = 2163159977
BaseRepresentation
bin1100011011110…
…0100010110110
310122010121210011
43012330202312
5101322340002
65101450434
71202201053
oct306744266
9118117704
1052152502
1127490a46
1215570a1a
13aa6008c
146cd802a
1548a28d7
hex31bc8b6

52152502 has 8 divisors (see below), whose sum is σ = 78709176. Its totient is φ = 25916112.

The previous prime is 52152497. The next prime is 52152521. The reversal of 52152502 is 20525125.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79663 + ... + 80314.

It is an arithmetic number, because the mean of its divisors is an integer number (9838647).

Almost surely, 252152502 is an apocalyptic number.

52152502 is a deficient number, since it is larger than the sum of its proper divisors (26556674).

52152502 is a wasteful number, since it uses less digits than its factorization.

52152502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160142.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 52152502 is about 7221.6689206859. The cubic root of 52152502 is about 373.6156412391.

Adding to 52152502 its reverse (20525125), we get a palindrome (72677627).

The spelling of 52152502 in words is "fifty-two million, one hundred fifty-two thousand, five hundred two".

Divisors: 1 2 163 326 159977 319954 26076251 52152502