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74078082 = 23213893557
BaseRepresentation
bin1000110101001…
…01011110000010
312011101120000200
410122211132002
5122430444312
611203430030
71556440041
oct432453602
9164346020
1074078082
11388a6a61
1220985316
1312468ab0
149ba4558
1567840dc
hex46a5782

74078082 has 48 divisors (see below), whose sum is σ = 174840120. Its totient is φ = 22530816.

The previous prime is 74078077. The next prime is 74078083. The reversal of 74078082 is 28087047.

It can be written as a sum of positive squares in 4 ways, for example, as 23824161 + 50253921 = 4881^2 + 7089^2 .

It is not an unprimeable number, because it can be changed into a prime (74078083) 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, 19048 + ... + 22604.

Almost surely, 274078082 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74078082, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87420060).

74078082 is an abundant number, since it is smaller than the sum of its proper divisors (100762038).

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

74078082 is a wasteful number, since it uses less digits than its factorization.

74078082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3667 (or 3664 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 74078082 is about 8606.8624945447. The cubic root of 74078082 is about 419.9812576670.

The spelling of 74078082 in words is "seventy-four million, seventy-eight thousand, eighty-two".

Divisors: 1 2 3 6 9 13 18 26 39 78 89 117 178 234 267 534 801 1157 1602 2314 3471 3557 6942 7114 10413 10671 20826 21342 32013 46241 64026 92482 138723 277446 316573 416169 633146 832338 949719 1899438 2849157 4115449 5698314 8230898 12346347 24692694 37039041 74078082