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82290396 = 2236857533
BaseRepresentation
bin1001110011110…
…10011011011100
312201211210012110
410321322123130
5132031243041
612055434020
72016312456
oct471723334
9181753173
1082290396
11424a5aa1
1223685910
1314082a56
14ad012d6
157357516
hex4e7a6dc

82290396 has 12 divisors (see below), whose sum is σ = 192010952. Its totient is φ = 27430128.

The previous prime is 82290359. The next prime is 82290431. The reversal of 82290396 is 69309228.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3428755 + ... + 3428778.

Almost surely, 282290396 is an apocalyptic number.

It is an amenable number.

82290396 is an abundant number, since it is smaller than the sum of its proper divisors (109720556).

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

82290396 is a wasteful number, since it uses less digits than its factorization.

82290396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6857540 (or 6857538 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 82290396 is about 9071.4054037949. The cubic root of 82290396 is about 434.9603980330.

The spelling of 82290396 in words is "eighty-two million, two hundred ninety thousand, three hundred ninety-six".

Divisors: 1 2 3 4 6 12 6857533 13715066 20572599 27430132 41145198 82290396