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2072904 = 23386371
BaseRepresentation
bin111111010000101001000
310220022111020
413322011020
51012313104
6112232440
723422311
oct7720510
93808436
102072904
111196449
1283b720
13577692
143bd608
152ae2d9
hex1fa148

2072904 has 16 divisors (see below), whose sum is σ = 5182320. Its totient is φ = 690960.

The previous prime is 2072897. The next prime is 2072927. The reversal of 2072904 is 4092702.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 86371 = 2072904 / (2 + 0 + 7 + 2 + 9 + 0 + 4).

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, 43162 + ... + 43209.

It is an arithmetic number, because the mean of its divisors is an integer number (323895).

22072904 is an apocalyptic number.

2072904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2072904 is an abundant number, since it is smaller than the sum of its proper divisors (3109416).

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

2072904 is a wasteful number, since it uses less digits than its factorization.

2072904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86380 (or 86376 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 2072904 is about 1439.7583130512. The cubic root of 2072904 is about 127.5047595301.

The spelling of 2072904 in words is "two million, seventy-two thousand, nine hundred four".

Divisors: 1 2 3 4 6 8 12 24 86371 172742 259113 345484 518226 690968 1036452 2072904