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3087631 = 31103967
BaseRepresentation
bin1011110001110100001111
312210212102201
423301310033
51242301011
6150102331
735146561
oct13616417
95725381
103087631
111819868
12104a9a7
13841501
145a5331
1540ecc1
hex2f1d0f

3087631 has 8 divisors (see below), whose sum is σ = 3221504. Its totient is φ = 2955960.

The previous prime is 3087619. The next prime is 3087649. The reversal of 3087631 is 1367803.

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 3087631 - 25 = 3087599 is a prime.

It is a super-2 number, since 2×30876312 = 19066930384322, 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 3087631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3087661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2710 + ... + 3676.

It is an arithmetic number, because the mean of its divisors is an integer number (402688).

Almost surely, 23087631 is an apocalyptic number.

3087631 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3087631 is the 1015-th hex number.

3087631 is a deficient number, since it is larger than the sum of its proper divisors (133873).

3087631 is a wasteful number, since it uses less digits than its factorization.

3087631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 3087631 is about 1757.1656154159. The cubic root of 3087631 is about 145.6157878213.

The spelling of 3087631 in words is "three million, eighty-seven thousand, six hundred thirty-one".

Divisors: 1 31 103 967 3193 29977 99601 3087631