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52174901 = 139375359
BaseRepresentation
bin1100011100001…
…0000000110101
310122011202111202
43013002000311
5101324044101
65102142245
71202323262
oct307020065
9118152452
1052174901
11274a6859
1215581985
13aa6a32c
146d02269
1548a936b
hex31c2035

52174901 has 4 divisors (see below), whose sum is σ = 52550400. Its totient is φ = 51799404.

The previous prime is 52174877. The next prime is 52174933. The reversal of 52174901 is 10947125.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52174901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52174961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187541 + ... + 187818.

It is an arithmetic number, because the mean of its divisors is an integer number (13137600).

Almost surely, 252174901 is an apocalyptic number.

It is an amenable number.

52174901 is a deficient number, since it is larger than the sum of its proper divisors (375499).

52174901 is a wasteful number, since it uses less digits than its factorization.

52174901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375498.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 52174901 is about 7223.2195730159. The cubic root of 52174901 is about 373.6691216963.

The spelling of 52174901 in words is "fifty-two million, one hundred seventy-four thousand, nine hundred one".

Divisors: 1 139 375359 52174901