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85011402 = 23713115451
BaseRepresentation
bin1010001000100…
…10101111001010
312220222000201110
411010102233022
5133230331102
612234031150
72051404440
oct504225712
9186860643
1085011402
1143a94363
12245784b6
13147c6408
14b40cb90
1576e386c
hex5112bca

85011402 has 32 divisors (see below), whose sum is σ = 195807744. Its totient is φ = 24102000.

The previous prime is 85011401. The next prime is 85011403. The reversal of 85011402 is 20411058.

Added to its reverse (20411058) it gives a triangular number (105422460 = T14520).

It is an interprime number because it is at equal distance from previous prime (85011401) and next prime (85011403).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (85011401) 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, 2224 + ... + 13227.

It is an arithmetic number, because the mean of its divisors is an integer number (6118992).

Almost surely, 285011402 is an apocalyptic number.

85011402 is an abundant number, since it is smaller than the sum of its proper divisors (110796342).

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

85011402 is a wasteful number, since it uses less digits than its factorization.

85011402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15594.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 85011402 is about 9220.1627968274. The cubic root of 85011402 is about 439.7026262003.

Adding to 85011402 its reverse (20411058), we get a triangular number (105422460 = T14520).

The spelling of 85011402 in words is "eighty-five million, eleven thousand, four hundred two".

Divisors: 1 2 3 6 7 14 21 42 131 262 393 786 917 1834 2751 5502 15451 30902 46353 92706 108157 216314 324471 648942 2024081 4048162 6072243 12144486 14168567 28337134 42505701 85011402