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86078470 = 2583137757
BaseRepresentation
bin1010010000101…
…11010000000110
312222222020110111
411020113100012
5134014002340
612312543234
72063440432
oct510272006
9188866414
1086078470
1144653035
12249b1b1a
1314aab00a
14b6099c2
157854aea
hex5217406

86078470 has 32 divisors (see below), whose sum is σ = 158161248. Its totient is φ = 33723648.

The previous prime is 86078459. The next prime is 86078471. The reversal of 86078470 is 7487068.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86078471) 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, 113332 + ... + 114088.

It is an arithmetic number, because the mean of its divisors is an integer number (4942539).

Almost surely, 286078470 is an apocalyptic number.

86078470 is a deficient number, since it is larger than the sum of its proper divisors (72082778).

86078470 is a wasteful number, since it uses less digits than its factorization.

86078470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984.

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 86078470 is about 9277.8483496983. The cubic root of 86078470 is about 441.5347061962.

The spelling of 86078470 in words is "eighty-six million, seventy-eight thousand, four hundred seventy".

Divisors: 1 2 5 10 83 137 166 274 415 685 757 830 1370 1514 3785 7570 11371 22742 56855 62831 103709 113710 125662 207418 314155 518545 628310 1037090 8607847 17215694 43039235 86078470