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2923107840 = 29325172439
BaseRepresentation
bin1010111000111011…
…0001011000000000
321112201100021010100
42232032301120000
521441303422330
61202020202400
7132303002202
oct25616613000
97481307110
102923107840
111270022204
12696b39400
133777a1913
141da30c772
15121956060
hexae3b1600

2923107840 has 360 divisors, whose sum is σ = 10778573520. Its totient is φ = 731971584.

The previous prime is 2923107799. The next prime is 2923107899. The reversal of 2923107840 is 487013292.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2923107795 and 2923107804.

It is a congruent number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 6658341 + ... + 6658779.

It is an arithmetic number, because the mean of its divisors is an integer number (29940482).

Almost surely, 22923107840 is an apocalyptic number.

2923107840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2923107840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5389286760).

2923107840 is an abundant number, since it is smaller than the sum of its proper divisors (7855465680).

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

2923107840 is a wasteful number, since it uses less digits than its factorization.

2923107840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502 (or 466 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 2923107840 is about 54065.7732766304. The cubic root of 2923107840 is about 1429.8208066006.

The spelling of 2923107840 in words is "two billion, nine hundred twenty-three million, one hundred seven thousand, eight hundred forty".