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3087485031 = 37947927197
BaseRepresentation
bin1011100000000111…
…0100100001100111
321222011122111020110
42320001310201213
522310344010111
61230211304103
7136340122041
oct27001644147
97864574213
103087485031
111344894224
12721bab033
133a2865827
1421409aa91
151310c55a6
hexb8074867

3087485031 has 16 divisors (see below), whose sum is σ = 4177612800. Its totient is φ = 2027951328.

The previous prime is 3087484991. The next prime is 3087485057. The reversal of 3087485031 is 1305847803.

It is not a de Polignac number, because 3087485031 - 210 = 3087484007 is a prime.

It is a super-2 number, since 2×30874850312 = 19065127633298141922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3087485231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99925 + ... + 127121.

It is an arithmetic number, because the mean of its divisors is an integer number (261100800).

Almost surely, 23087485031 is an apocalyptic number.

3087485031 is a deficient number, since it is larger than the sum of its proper divisors (1090127769).

3087485031 is a wasteful number, since it uses less digits than its factorization.

3087485031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27758.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 3087485031 is about 55565.1422296389. The cubic root of 3087485031 is about 1456.1349310344.

The spelling of 3087485031 in words is "three billion, eighty-seven million, four hundred eighty-five thousand, thirty-one".

Divisors: 1 3 79 237 479 1437 27197 37841 81591 113523 2148563 6445689 13027363 39082089 1029161677 3087485031