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86377408 = 26131731197
BaseRepresentation
bin1010010011000…
…00001111000000
320000112102112021
411021200033000
5134103034113
612323211224
72066124115
oct511401700
9200472467
1086377408
1144837697
1224b16b14
1314b840c0
14b68690c
1578b348d
hex52603c0

86377408 has 112 divisors (see below), whose sum is σ = 202777344. Its totient is φ = 36126720.

The previous prime is 86377387. The next prime is 86377409. The reversal of 86377408 is 80477368.

It is a super-2 number, since 2×863774082 = 14922113225596928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86377409) 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, 438366 + ... + 438562.

It is an arithmetic number, because the mean of its divisors is an integer number (1810512).

Almost surely, 286377408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86377408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101388672).

86377408 is an abundant number, since it is smaller than the sum of its proper divisors (116399936).

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

86377408 is a wasteful number, since it uses less digits than its factorization.

86377408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 86377408 is about 9293.9446953379. The cubic root of 86377408 is about 442.0452442373.

The spelling of 86377408 in words is "eighty-six million, three hundred seventy-seven thousand, four hundred eight".

Divisors: 1 2 4 8 13 16 17 26 31 32 34 52 62 64 68 104 124 136 197 208 221 248 272 394 403 416 442 496 527 544 788 806 832 884 992 1054 1088 1576 1612 1768 1984 2108 2561 3152 3224 3349 3536 4216 5122 6107 6304 6448 6698 6851 7072 8432 10244 12214 12608 12896 13396 13702 14144 16864 20488 24428 25792 26792 27404 33728 40976 43537 48856 53584 54808 79391 81952 87074 97712 103819 107168 109616 158782 163904 174148 195424 207638 214336 219232 317564 348296 390848 415276 438464 635128 696592 830552 1270256 1349647 1393184 1661104 2540512 2699294 2786368 3322208 5081024 5398588 6644416 10797176 21594352 43188704 86377408