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76538484 = 223211347557
BaseRepresentation
bin1001000111111…
…10001001110100
312100000120001200
410203332021310
5124043212414
611332252500
71616365161
oct443761164
9170016050
1076538484
113a227550
1221771130
1312b1a959
14a245068
156abd109
hex48fe274

76538484 has 72 divisors (see below), whose sum is σ = 212048928. Its totient is φ = 23085120.

The previous prime is 76538461. The next prime is 76538509. The reversal of 76538484 is 48483567.

76538484 is a `hidden beast` number, since 76 + 538 + 48 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 137134 + ... + 137690.

It is an arithmetic number, because the mean of its divisors is an integer number (2945124).

Almost surely, 276538484 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 76538484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106024464).

76538484 is an abundant number, since it is smaller than the sum of its proper divisors (135510444).

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

76538484 is a wasteful number, since it uses less digits than its factorization.

76538484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925 (or 920 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 76538484 is about 8748.6275495074. The cubic root of 76538484 is about 424.5804098780.

The spelling of 76538484 in words is "seventy-six million, five hundred thirty-eight thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 198 347 396 557 694 1041 1114 1388 1671 2082 2228 3123 3342 3817 4164 5013 6127 6246 6684 7634 10026 11451 12254 12492 15268 18381 20052 22902 24508 34353 36762 45804 55143 68706 73524 110286 137412 193279 220572 386558 579837 773116 1159674 1739511 2126069 2319348 3479022 4252138 6378207 6958044 8504276 12756414 19134621 25512828 38269242 76538484