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86149225 = 5211632963
BaseRepresentation
bin1010010001010…
…00100001101001
320000002211112001
411020220201221
5134023233400
612314251001
72064153631
oct510504151
9200084461
1086149225
11446a1208
1224a26a61
1314b04296
14b6276c1
15786aa6a
hex5228869

86149225 has 12 divisors (see below), whose sum is σ = 106952976. Its totient is φ = 68836880.

The previous prime is 86149207. The next prime is 86149243. The reversal of 86149225 is 52294168.

It is an interprime number because it is at equal distance from previous prime (86149207) and next prime (86149243).

It is a de Polignac number, because none of the positive numbers 2k-86149225 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27594 + ... + 30556.

It is an arithmetic number, because the mean of its divisors is an integer number (8912748).

Almost surely, 286149225 is an apocalyptic number.

It is an amenable number.

86149225 is a deficient number, since it is larger than the sum of its proper divisors (20803751).

86149225 is a wasteful number, since it uses less digits than its factorization.

86149225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4136 (or 4131 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 86149225 is about 9281.6606811497. The cubic root of 86149225 is about 441.6556510049.

It can be divided in two parts, 861 and 49225, that added together give a triangular number (50086 = T316).

The spelling of 86149225 in words is "eighty-six million, one hundred forty-nine thousand, two hundred twenty-five".

Divisors: 1 5 25 1163 2963 5815 14815 29075 74075 3445969 17229845 86149225