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52757973 = 35217111
BaseRepresentation
bin1100100101000…
…0010111010101
310200021101100000
43021100113111
5102001223343
65122441513
71210302222
oct311202725
9120241300
1052757973
1127864934
1215803299
13ac12848
147014949
154971ed3
hex32505d5

52757973 has 12 divisors (see below), whose sum is σ = 79028768. Its totient is φ = 35171820.

The previous prime is 52757963. The next prime is 52758007. The reversal of 52757973 is 37975725.

It is a happy number.

52757973 is a `hidden beast` number, since 5 + 2 + 7 + 579 + 73 = 666.

It is not a de Polignac number, because 52757973 - 26 = 52757909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52757963) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108313 + ... + 108798.

Almost surely, 252757973 is an apocalyptic number.

It is an amenable number.

52757973 is a deficient number, since it is larger than the sum of its proper divisors (26270795).

52757973 is an equidigital number, since it uses as much as digits as its factorization.

52757973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217126 (or 217114 counting only the distinct ones).

The product of its digits is 463050, while the sum is 45.

The square root of 52757973 is about 7263.4683863840. The cubic root of 52757973 is about 375.0559276585.

The spelling of 52757973 in words is "fifty-two million, seven hundred fifty-seven thousand, nine hundred seventy-three".

Divisors: 1 3 9 27 81 243 217111 651333 1953999 5861997 17585991 52757973