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76121412 = 22361103991
BaseRepresentation
bin1001000100110…
…00010101000100
312022020100221120
410202120111010
5123441341122
611315313540
71613010213
oct442302504
9168210846
1076121412
1139a72164
12215ab8b0
1312a02b73
14a17707a
156a3975c
hex4898544

76121412 has 24 divisors (see below), whose sum is σ = 180530112. Its totient is φ = 24957600.

The previous prime is 76121411. The next prime is 76121417. The reversal of 76121412 is 21412167.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (76121411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51264 + ... + 52727.

It is an arithmetic number, because the mean of its divisors is an integer number (7522088).

Almost surely, 276121412 is an apocalyptic number.

It is an amenable number.

76121412 is an abundant number, since it is smaller than the sum of its proper divisors (104408700).

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

76121412 is a wasteful number, since it uses less digits than its factorization.

76121412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104059 (or 104057 counting only the distinct ones).

The product of its digits is 672, while the sum is 24.

The square root of 76121412 is about 8724.7585639948. The cubic root of 76121412 is about 423.8077997401.

Adding to 76121412 its reverse (21412167), we get a palindrome (97533579).

The spelling of 76121412 in words is "seventy-six million, one hundred twenty-one thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 61 122 183 244 366 732 103991 207982 311973 415964 623946 1247892 6343451 12686902 19030353 25373804 38060706 76121412