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75282077 = 1319130319
BaseRepresentation
bin1000111110010…
…11011010011101
312020122201121002
410133023122131
5123233011302
611245320045
71602613163
oct437133235
9166581532
1075282077
11395495a2
1221266025
131279ab10
149dd9233
156920c02
hex47cb69d

75282077 has 8 divisors (see below), whose sum is σ = 81500160. Its totient is φ = 69125040.

The previous prime is 75282073. The next prime is 75282127. The reversal of 75282077 is 77028257.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 75282077 - 22 = 75282073 is a prime.

It is a super-2 number, since 2×752820772 = 11334782234867858, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75282077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75282073) 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, 12677 + ... + 17642.

It is an arithmetic number, because the mean of its divisors is an integer number (10187520).

Almost surely, 275282077 is an apocalyptic number.

It is an amenable number.

75282077 is a deficient number, since it is larger than the sum of its proper divisors (6218083).

75282077 is a wasteful number, since it uses less digits than its factorization.

75282077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30523.

The product of its (nonzero) digits is 54880, while the sum is 38.

The square root of 75282077 is about 8676.5244770011. The cubic root of 75282077 is about 422.2443666774.

The spelling of 75282077 in words is "seventy-five million, two hundred eighty-two thousand, seventy-seven".

Divisors: 1 13 191 2483 30319 394147 5790929 75282077