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53086670 = 2571358337
BaseRepresentation
bin1100101010000…
…0100111001110
310200220002012222
43022200213032
5102042233140
65133455342
71213141430
oct312404716
9120802188
1053086670
1127a6988a
1215941552
13acc9340
14709c650
1549d95b5
hex32a09ce

53086670 has 32 divisors (see below), whose sum is σ = 117609408. Its totient is φ = 16800768.

The previous prime is 53086669. The next prime is 53086687. The reversal of 53086670 is 7668035.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 53086670.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28259 + ... + 30078.

It is an arithmetic number, because the mean of its divisors is an integer number (3675294).

Almost surely, 253086670 is an apocalyptic number.

53086670 is an abundant number, since it is smaller than the sum of its proper divisors (64522738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53086670 is a wasteful number, since it uses less digits than its factorization.

53086670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58364.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 53086670 is about 7286.0599777932. The cubic root of 53086670 is about 375.8332169239.

The spelling of 53086670 in words is "fifty-three million, eighty-six thousand, six hundred seventy".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 182 455 910 58337 116674 291685 408359 583370 758381 816718 1516762 2041795 3791905 4083590 5308667 7583810 10617334 26543335 53086670