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52257741 = 317419247
BaseRepresentation
bin1100011101011…
…0001111001101
310122022222010220
43013112033031
5101334221431
65104021553
71203116634
oct307261715
9118288126
1052257741
1127553018
12156018b9
13aa98c53
146d2451b
1548c3b96
hex31d63cd

52257741 has 4 divisors (see below), whose sum is σ = 69676992. Its totient is φ = 34838492.

The previous prime is 52257731. The next prime is 52257757. The reversal of 52257741 is 14775225.

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 not a de Polignac number, because 52257741 - 29 = 52257229 is a prime.

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, 8709621 + ... + 8709626.

It is an arithmetic number, because the mean of its divisors is an integer number (17419248).

Almost surely, 252257741 is an apocalyptic number.

It is an amenable number.

52257741 is a deficient number, since it is larger than the sum of its proper divisors (17419251).

52257741 is a wasteful number, since it uses less digits than its factorization.

52257741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17419250.

The product of its digits is 19600, while the sum is 33.

The square root of 52257741 is about 7228.9515837361. The cubic root of 52257741 is about 373.8667798372.

The spelling of 52257741 in words is "fifty-two million, two hundred fifty-seven thousand, seven hundred forty-one".

Divisors: 1 3 17419247 52257741