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76465680 = 24353779109
BaseRepresentation
bin1001000111011…
…00011000010000
312022212212012020
410203230120100
5124033400210
611330531440
71615643004
oct443543020
9168785166
1076465680
113a187885
1221736b80
1312ac3785
14a226704
156aa6770
hex48ec610

76465680 has 160 divisors (see below), whose sum is σ = 248793600. Its totient is φ = 19408896.

The previous prime is 76465679. The next prime is 76465681. The reversal of 76465680 is 8656467.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (76465679) and next prime (76465681).

It is not an unprimeable number, because it can be changed into a prime (76465681) 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, 701466 + ... + 701574.

It is an arithmetic number, because the mean of its divisors is an integer number (1554960).

Almost surely, 276465680 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 76465680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124396800).

76465680 is an abundant number, since it is smaller than the sum of its proper divisors (172327920).

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

76465680 is a wasteful number, since it uses less digits than its factorization.

76465680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 76465680 is about 8744.4656783591. The cubic root of 76465680 is about 424.4457457774.

The spelling of 76465680 in words is "seventy-six million, four hundred sixty-five thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 37 40 48 60 74 79 80 109 111 120 148 158 185 218 222 237 240 296 316 327 370 395 436 444 474 545 555 592 632 654 740 790 872 888 948 1090 1110 1185 1264 1308 1480 1580 1635 1744 1776 1896 2180 2220 2370 2616 2923 2960 3160 3270 3792 4033 4360 4440 4740 5232 5846 6320 6540 8066 8611 8720 8769 8880 9480 11692 12099 13080 14615 16132 17222 17538 18960 20165 23384 24198 25833 26160 29230 32264 34444 35076 40330 43055 43845 46768 48396 51666 58460 60495 64528 68888 70152 80660 86110 87690 96792 103332 116920 120990 129165 137776 140304 161320 172220 175380 193584 206664 233840 241980 258330 318607 322640 344440 350760 413328 483960 516660 637214 688880 701520 955821 967920 1033320 1274428 1593035 1911642 2066640 2548856 3186070 3823284 4779105 5097712 6372140 7646568 9558210 12744280 15293136 19116420 25488560 38232840 76465680