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31149002 = 225916011
BaseRepresentation
bin111011011010…
…0101111001010
32011121112101202
41312310233022
530433232002
63031344202
7525522263
oct166645712
964545352
1031149002
1116645785
12a522062
1365b7c81
1441cb96a
152b04502
hex1db4bca

31149002 has 8 divisors (see below), whose sum is σ = 46749312. Its totient is φ = 15565900.

The previous prime is 31148993. The next prime is 31149023. The reversal of 31149002 is 20094113.

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

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, 2177 + ... + 8187.

It is an arithmetic number, because the mean of its divisors is an integer number (5843664).

Almost surely, 231149002 is an apocalyptic number.

31149002 is a deficient number, since it is larger than the sum of its proper divisors (15600310).

31149002 is a wasteful number, since it uses less digits than its factorization.

31149002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8604.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 31149002 is about 5581.1290972347. The cubic root of 31149002 is about 314.6405642329.

The spelling of 31149002 in words is "thirty-one million, one hundred forty-nine thousand, two".

Divisors: 1 2 2591 5182 6011 12022 15574501 31149002