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85412152 = 2371525217
BaseRepresentation
bin1010001011101…
…00100100111000
312221201101110001
411011310210320
5133331142102
612250402344
72054664010
oct505644470
9187641401
1085412152
1144238461
12247303b4
1314906947
14b4b4c40
157772487
hex5174938

85412152 has 16 divisors (see below), whose sum is σ = 183026160. Its totient is φ = 36605184.

The previous prime is 85412149. The next prime is 85412183. The reversal of 85412152 is 25121458.

It is a super-2 number, since 2×854121522 = 14590471418542208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 85412152.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 762553 + ... + 762664.

It is an arithmetic number, because the mean of its divisors is an integer number (11439135).

Almost surely, 285412152 is an apocalyptic number.

It is an amenable number.

85412152 is an abundant number, since it is smaller than the sum of its proper divisors (97614008).

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

85412152 is a wasteful number, since it uses less digits than its factorization.

85412152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525230 (or 1525226 counting only the distinct ones).

The product of its digits is 3200, while the sum is 28.

The square root of 85412152 is about 9241.8695078431. The cubic root of 85412152 is about 440.3924735068.

The spelling of 85412152 in words is "eighty-five million, four hundred twelve thousand, one hundred fifty-two".

Divisors: 1 2 4 7 8 14 28 56 1525217 3050434 6100868 10676519 12201736 21353038 42706076 85412152