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85585190 = 2519144809
BaseRepresentation
bin1010001100111…
…10110100100110
312222001011210212
411012132310212
5133402211230
612254215422
72056314335
oct506366446
9188034725
1085585190
1144346469
12247b4572
1314967632
14b51bd1c
1577a8895
hex519ed26

85585190 has 16 divisors (see below), whose sum is σ = 154863360. Its totient is φ = 34054080.

The previous prime is 85585169. The next prime is 85585193. The reversal of 85585190 is 9158558.

It is a super-2 number, since 2×855851902 = 14649649494672200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85585193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20495 + ... + 24314.

It is an arithmetic number, because the mean of its divisors is an integer number (9678960).

Almost surely, 285585190 is an apocalyptic number.

85585190 is a deficient number, since it is larger than the sum of its proper divisors (69278170).

85585190 is a wasteful number, since it uses less digits than its factorization.

85585190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45007.

The product of its (nonzero) digits is 72000, while the sum is 41.

The square root of 85585190 is about 9251.2264051854. The cubic root of 85585190 is about 440.6896725487.

The spelling of 85585190 in words is "eighty-five million, five hundred eighty-five thousand, one hundred ninety".

Divisors: 1 2 5 10 191 382 955 1910 44809 89618 224045 448090 8558519 17117038 42792595 85585190