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52758117 = 3219308527
BaseRepresentation
bin1100100101000…
…0011001100101
310200021101112100
43021100121211
5102001224432
65122442313
71210302516
oct311203145
9120241470
1052758117
1127864a55
1215803399
13ac12929
147014a0d
15497207c
hex3250665

52758117 has 12 divisors (see below), whose sum is σ = 80217280. Its totient is φ = 33320808.

The previous prime is 52758091. The next prime is 52758131. The reversal of 52758117 is 71185725.

It is a de Polignac number, because none of the positive numbers 2k-52758117 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 (52758197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154093 + ... + 154434.

Almost surely, 252758117 is an apocalyptic number.

52758117 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

52758117 is a deficient number, since it is larger than the sum of its proper divisors (27459163).

52758117 is a wasteful number, since it uses less digits than its factorization.

52758117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308552 (or 308549 counting only the distinct ones).

The product of its digits is 19600, while the sum is 36.

The square root of 52758117 is about 7263.4782989970. The cubic root of 52758117 is about 375.0562688897.

The spelling of 52758117 in words is "fifty-two million, seven hundred fifty-eight thousand, one hundred seventeen".

Divisors: 1 3 9 19 57 171 308527 925581 2776743 5862013 17586039 52758117