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52025757 = 374752711
BaseRepresentation
bin1100011001110…
…1100110011101
310121220011220220
43012131212131
5101304311012
65055031553
71201132410
oct306354635
9117804826
1052025757
11274047a3
121550b5b9
13aa17494
146ca3b77
15487a08c
hex319d99d

52025757 has 16 divisors (see below), whose sum is σ = 80965632. Its totient is φ = 29095920.

The previous prime is 52025749. The next prime is 52025777. The reversal of 52025757 is 75752025.

It is not a de Polignac number, because 52025757 - 23 = 52025749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52025777) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25369 + ... + 27342.

It is an arithmetic number, because the mean of its divisors is an integer number (5060352).

Almost surely, 252025757 is an apocalyptic number.

It is an amenable number.

52025757 is a deficient number, since it is larger than the sum of its proper divisors (28939875).

52025757 is a wasteful number, since it uses less digits than its factorization.

52025757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52768.

The product of its (nonzero) digits is 24500, while the sum is 33.

The square root of 52025757 is about 7212.8882564476. Note that the first 3 decimals coincide. The cubic root of 52025757 is about 373.3127326182.

The spelling of 52025757 in words is "fifty-two million, twenty-five thousand, seven hundred fifty-seven".

Divisors: 1 3 7 21 47 141 329 987 52711 158133 368977 1106931 2477417 7432251 17341919 52025757