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91982082 = 2315330347
BaseRepresentation
bin1010111101110…
…00100100000010
320102002011200210
411132320210002
5142021411312
613043254550
72164556223
oct536704402
9212064623
1091982082
1147a15555
122697a456
131609718a
14c30524a
15811de3c
hex57b8902

91982082 has 8 divisors (see below), whose sum is σ = 183964176. Its totient is φ = 30660692.

The previous prime is 91982081. The next prime is 91982141. The reversal of 91982082 is 28028919.

It is a sphenic number, since it is the product of 3 distinct primes.

91982082 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 91982082.

It is not an unprimeable number, because it can be changed into a prime (91982081) 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, 7665168 + ... + 7665179.

It is an arithmetic number, because the mean of its divisors is an integer number (22995522).

Almost surely, 291982082 is an apocalyptic number.

91982082 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

91982082 is a wasteful number, since it uses less digits than its factorization.

91982082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15330352.

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 91982082 is about 9590.7289608246. The cubic root of 91982082 is about 451.4064343052.

The spelling of 91982082 in words is "ninety-one million, nine hundred eighty-two thousand, eighty-two".

Divisors: 1 2 3 6 15330347 30660694 45991041 91982082