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52097701 = 3114911279
BaseRepresentation
bin1100011010111…
…1001010100101
310122000211121111
43012233022211
5101314111301
65100345021
71201552225
oct306571245
9118024544
1052097701
1127453857
1215545171
13aa41156
146cc2085
154891551
hex31af2a5

52097701 has 8 divisors (see below), whose sum is σ = 54144000. Its totient is φ = 50074320.

The previous prime is 52097699. The next prime is 52097723. The reversal of 52097701 is 10779025.

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

It is a cyclic number.

It is not a de Polignac number, because 52097701 - 21 = 52097699 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52097501) 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, 1021 + ... + 10258.

It is an arithmetic number, because the mean of its divisors is an integer number (6768000).

Almost surely, 252097701 is an apocalyptic number.

It is an amenable number.

52097701 is a deficient number, since it is larger than the sum of its proper divisors (2046299).

52097701 is a wasteful number, since it uses less digits than its factorization.

52097701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11459.

The product of its (nonzero) digits is 4410, while the sum is 31.

The square root of 52097701 is about 7217.8737173769. The cubic root of 52097701 is about 373.4847322984.

The spelling of 52097701 in words is "fifty-two million, ninety-seven thousand, seven hundred one".

Divisors: 1 31 149 4619 11279 349649 1680571 52097701