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83053164 = 2236921097
BaseRepresentation
bin1001111001101…
…00101001101100
312210021112112010
410330310221230
5132230200124
612124041220
72025640335
oct474645154
9183245463
1083053164
1142977087
1223993210
131428bcac
14b05d28c
157458529
hex4f34a6c

83053164 has 12 divisors (see below), whose sum is σ = 193790744. Its totient is φ = 27684384.

The previous prime is 83053163. The next prime is 83053169. The reversal of 83053164 is 46135038.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (83053163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3460537 + ... + 3460560.

Almost surely, 283053164 is an apocalyptic number.

It is an amenable number.

83053164 is an abundant number, since it is smaller than the sum of its proper divisors (110737580).

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

83053164 is a wasteful number, since it uses less digits than its factorization.

83053164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6921104 (or 6921102 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 83053164 is about 9113.3508656257. The cubic root of 83053164 is about 436.3001818558.

The spelling of 83053164 in words is "eighty-three million, fifty-three thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 12 6921097 13842194 20763291 27684388 41526582 83053164