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75059140 = 22513288689
BaseRepresentation
bin1000111100101…
…00111111000100
312020020101210011
410132110333010
5123203343030
611240440004
71600664212
oct436247704
9166211704
1075059140
1139407052
1221179004
13127204c0
149d7bcb2
1568c9b2a
hex4794fc4

75059140 has 24 divisors (see below), whose sum is σ = 169749720. Its totient is φ = 27714048.

The previous prime is 75059137. The next prime is 75059161. The reversal of 75059140 is 4195057.

It can be written as a sum of positive squares in 4 ways, for example, as 2604996 + 72454144 = 1614^2 + 8512^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144085 + ... + 144604.

It is an arithmetic number, because the mean of its divisors is an integer number (7072905).

Almost surely, 275059140 is an apocalyptic number.

It is an amenable number.

75059140 is an abundant number, since it is smaller than the sum of its proper divisors (94690580).

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

75059140 is a wasteful number, since it uses less digits than its factorization.

75059140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288711 (or 288709 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 75059140 is about 8663.6678144998. The cubic root of 75059140 is about 421.8271493236.

The spelling of 75059140 in words is "seventy-five million, fifty-nine thousand, one hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 288689 577378 1154756 1443445 2886890 3752957 5773780 7505914 15011828 18764785 37529570 75059140