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52257701 = 67637727
BaseRepresentation
bin1100011101011…
…0001110100101
310122022222002102
43013112032211
5101334221301
65104021445
71203116546
oct307261645
9118288072
1052257701
1127552a91
1215601885
13aa98c22
146d244cd
1548c3b6b
hex31d63a5

52257701 has 4 divisors (see below), whose sum is σ = 52272192. Its totient is φ = 52243212.

The previous prime is 52257697. The next prime is 52257719. The reversal of 52257701 is 10775225.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 52257701 - 22 = 52257697 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 (52257721) 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, 2900 + ... + 10626.

It is an arithmetic number, because the mean of its divisors is an integer number (13068048).

Almost surely, 252257701 is an apocalyptic number.

It is an amenable number.

52257701 is a deficient number, since it is larger than the sum of its proper divisors (14491).

52257701 is an equidigital number, since it uses as much as digits as its factorization.

52257701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14490.

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 52257701 is about 7228.9488170826. The cubic root of 52257701 is about 373.8666844468.

The spelling of 52257701 in words is "fifty-two million, two hundred fifty-seven thousand, seven hundred one".

Divisors: 1 6763 7727 52257701