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85079124 = 2232131071699
BaseRepresentation
bin1010001001000…
…11010001010100
312221002110121200
411010203101110
5133240012444
612235312500
72052106044
oct504432124
9187073550
1085079124
1144030229
12245ab730
131481b1a0
14b429724
157708969
hex5123454

85079124 has 72 divisors (see below), whose sum is σ = 233906400. Its totient is φ = 25918272.

The previous prime is 85079123. The next prime is 85079143. The reversal of 85079124 is 42197058.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85079123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49227 + ... + 50925.

It is an arithmetic number, because the mean of its divisors is an integer number (3248700).

Almost surely, 285079124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85079124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116953200).

85079124 is an abundant number, since it is smaller than the sum of its proper divisors (148827276).

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

85079124 is a wasteful number, since it uses less digits than its factorization.

85079124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1829 (or 1824 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 85079124 is about 9223.8345605285. The cubic root of 85079124 is about 439.8193542191.

The spelling of 85079124 in words is "eighty-five million, seventy-nine thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 107 117 156 214 234 321 428 468 642 963 1284 1391 1699 1926 2782 3398 3852 4173 5097 5564 6796 8346 10194 12519 15291 16692 20388 22087 25038 30582 44174 50076 61164 66261 88348 132522 181793 198783 265044 363586 397566 545379 727172 795132 1090758 1636137 2181516 2363309 3272274 4726618 6544548 7089927 9453236 14179854 21269781 28359708 42539562 85079124