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2182940904 = 23390955871
BaseRepresentation
bin1000001000011101…
…0000100011101000
312122010120212222010
42002013100203220
513432313102104
61000335555520
7105044456124
oct20207204350
95563525863
102182940904
11a202388a1
1250b08bba0
1328a33aa11
14169cba584
15cb99c489
hex821d08e8

2182940904 has 16 divisors (see below), whose sum is σ = 5457352320. Its totient is φ = 727646960.

The previous prime is 2182940899. The next prime is 2182940909. The reversal of 2182940904 is 4090492812.

It is an interprime number because it is at equal distance from previous prime (2182940899) and next prime (2182940909).

It is not an unprimeable number, because it can be changed into a prime (2182940909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45477912 + ... + 45477959.

It is an arithmetic number, because the mean of its divisors is an integer number (341084520).

Almost surely, 22182940904 is an apocalyptic number.

2182940904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2182940904 is an abundant number, since it is smaller than the sum of its proper divisors (3274411416).

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

2182940904 is a wasteful number, since it uses less digits than its factorization.

2182940904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90955880 (or 90955876 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 2182940904 is about 46721.9531269830. The cubic root of 2182940904 is about 1297.2210666321.

The spelling of 2182940904 in words is "two billion, one hundred eighty-two million, nine hundred forty thousand, nine hundred four".

Divisors: 1 2 3 4 6 8 12 24 90955871 181911742 272867613 363823484 545735226 727646968 1091470452 2182940904