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83274090 = 23519114533
BaseRepresentation
bin1001111011010…
…10100101101010
312210200202120120
410331222211222
5132304232330
612132504110
72030550414
oct475524552
9183622516
1083274090
1143008069
1223a7b036
1314338713
14b0b99b4
15749dc10
hex4f6a96a

83274090 has 32 divisors (see below), whose sum is σ = 200918016. Its totient is φ = 22088640.

The previous prime is 83274073. The next prime is 83274119. The reversal of 83274090 is 9047238.

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, 1537 + ... + 12996.

It is an arithmetic number, because the mean of its divisors is an integer number (6278688).

Almost surely, 283274090 is an apocalyptic number.

83274090 is an abundant number, since it is smaller than the sum of its proper divisors (117643926).

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

83274090 is a wasteful number, since it uses less digits than its factorization.

83274090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14734.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 83274090 is about 9125.4638238284. The cubic root of 83274090 is about 436.6867001926.

The spelling of 83274090 in words is "eighty-three million, two hundred seventy-four thousand, ninety".

Divisors: 1 2 3 5 6 10 15 30 191 382 573 955 1146 1910 2865 5730 14533 29066 43599 72665 87198 145330 217995 435990 2775803 5551606 8327409 13879015 16654818 27758030 41637045 83274090