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52544157 = 324377187
BaseRepresentation
bin1100100001110…
…0001010011101
310122212112000220
43020130022131
5101422403112
65114111553
71205421651
oct310341235
9118775026
1052544157
1127729226
121571b5b9
13ab69423
146d9aa61
15492d98c
hex321c29d

52544157 has 8 divisors (see below), whose sum is σ = 70097376. Its totient is φ = 35010192.

The previous prime is 52544123. The next prime is 52544179. The reversal of 52544157 is 75144525.

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

It is not a de Polignac number, because 52544157 - 28 = 52543901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52544257) 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, 3718 + ... + 10904.

It is an arithmetic number, because the mean of its divisors is an integer number (8762172).

Almost surely, 252544157 is an apocalyptic number.

It is an amenable number.

52544157 is a deficient number, since it is larger than the sum of its proper divisors (17553219).

52544157 is a wasteful number, since it uses less digits than its factorization.

52544157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9627.

The product of its digits is 28000, while the sum is 33.

The square root of 52544157 is about 7248.7348551316. The cubic root of 52544157 is about 374.5485696687.

The spelling of 52544157 in words is "fifty-two million, five hundred forty-four thousand, one hundred fifty-seven".

Divisors: 1 3 2437 7187 7311 21561 17514719 52544157