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76230570 = 23513712753
BaseRepresentation
bin1001000101100…
…10111110101010
312022102220200110
410202302332222
5124003334240
611321515150
71613643363
oct442627652
9168386613
1076230570
113a037179
1221642ab6
1312a40760
14a1a4b6a
156a5bc80
hex48b2faa

76230570 has 64 divisors (see below), whose sum is σ = 199874304. Its totient is φ = 18493440.

The previous prime is 76230509. The next prime is 76230571. The reversal of 76230570 is 7503267.

It is a super-2 number, since 2×762305702 = 11622199605049800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (76230571) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26314 + ... + 29066.

It is an arithmetic number, because the mean of its divisors is an integer number (3123036).

Almost surely, 276230570 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76230570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99937152).

76230570 is an abundant number, since it is smaller than the sum of its proper divisors (123643734).

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

76230570 is a wasteful number, since it uses less digits than its factorization.

76230570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2847.

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 76230570 is about 8731.0119688384. The cubic root of 76230570 is about 424.0102829178.

The spelling of 76230570 in words is "seventy-six million, two hundred thirty thousand, five hundred seventy".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 71 78 130 142 195 213 355 390 426 710 923 1065 1846 2130 2753 2769 4615 5506 5538 8259 9230 13765 13845 16518 27530 27690 35789 41295 71578 82590 107367 178945 195463 214734 357890 390926 536835 586389 977315 1073670 1172778 1954630 2541019 2931945 5082038 5863890 7623057 12705095 15246114 25410190 38115285 76230570