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75280060 = 2253764003
BaseRepresentation
bin1000111110010…
…10111010111100
312020122121211101
410133022322330
5123232430220
611245302444
71602604252
oct437127274
9166577741
1075280060
1139548029
1221264a24
1312799c1b
149dd85d2
15692030a
hex47caebc

75280060 has 12 divisors (see below), whose sum is σ = 158088168. Its totient is φ = 30112016.

The previous prime is 75280031. The next prime is 75280111. The reversal of 75280060 is 6008257.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1881982 + ... + 1882021.

It is an arithmetic number, because the mean of its divisors is an integer number (13174014).

Almost surely, 275280060 is an apocalyptic number.

It is an amenable number.

75280060 is an abundant number, since it is smaller than the sum of its proper divisors (82808108).

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

75280060 is a wasteful number, since it uses less digits than its factorization.

75280060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3764012 (or 3764010 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 75280060 is about 8676.4082430462. The cubic root of 75280060 is about 422.2405956404.

The spelling of 75280060 in words is "seventy-five million, two hundred eighty thousand, sixty".

Divisors: 1 2 4 5 10 20 3764003 7528006 15056012 18820015 37640030 75280060