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82913274 = 2336125171
BaseRepresentation
bin1001111000100…
…10011111111010
312210000102122000
410330102133322
5132211211044
612121041430
72024515443
oct474223772
9183012560
1082913274
1142890a74
1223926276
1314240412
14b0242ca
15742bd69
hex4f127fa

82913274 has 32 divisors (see below), whose sum is σ = 187279680. Its totient is φ = 27183600.

The previous prime is 82913273. The next prime is 82913287. The reversal of 82913274 is 47231928.

It is a super-2 number, since 2×829132742 = 13749222010798152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82913273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9292 + ... + 15879.

It is an arithmetic number, because the mean of its divisors is an integer number (5852490).

Almost surely, 282913274 is an apocalyptic number.

82913274 is an abundant number, since it is smaller than the sum of its proper divisors (104366406).

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

82913274 is a wasteful number, since it uses less digits than its factorization.

82913274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25243 (or 25237 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 82913274 is about 9105.6726275438. The cubic root of 82913274 is about 436.0550845029.

The spelling of 82913274 in words is "eighty-two million, nine hundred thirteen thousand, two hundred seventy-four".

Divisors: 1 2 3 6 9 18 27 54 61 122 183 366 549 1098 1647 3294 25171 50342 75513 151026 226539 453078 679617 1359234 1535431 3070862 4606293 9212586 13818879 27637758 41456637 82913274