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86129248 = 2571167227
BaseRepresentation
bin1010010001000…
…11101001100000
320000001211010011
411020203221200
5134022113443
612314014304
72064041452
oct510435140
9200054104
1086129248
11446881a7
1224a17394
1314ac816a
14b6202d2
157864b9d
hex5223a60

86129248 has 48 divisors (see below), whose sum is σ = 173746944. Its totient is φ = 42017920.

The previous prime is 86129243. The next prime is 86129279. The reversal of 86129248 is 84292168.

It is a super-2 number, since 2×861292482 = 14836494722091008, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 86129248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86129243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379311 + ... + 379537.

It is an arithmetic number, because the mean of its divisors is an integer number (3619728).

Almost surely, 286129248 is an apocalyptic number.

It is an amenable number.

86129248 is an abundant number, since it is smaller than the sum of its proper divisors (87617696).

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

86129248 is a wasteful number, since it uses less digits than its factorization.

86129248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475 (or 467 counting only the distinct ones).

The product of its digits is 55296, while the sum is 40.

The square root of 86129248 is about 9280.5844643535. The cubic root of 86129248 is about 441.6215101019.

The spelling of 86129248 in words is "eighty-six million, one hundred twenty-nine thousand, two hundred forty-eight".

Divisors: 1 2 4 8 16 32 71 142 167 227 284 334 454 568 668 908 1136 1336 1816 2272 2672 3632 5344 7264 11857 16117 23714 32234 37909 47428 64468 75818 94856 128936 151636 189712 257872 303272 379424 515744 606544 1213088 2691539 5383078 10766156 21532312 43064624 86129248