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1972896 = 25320551
BaseRepresentation
bin111100001101010100000
310201020022020
413201222200
51001113041
6110141440
722524612
oct7415240
93636266
101972896
1111282a2
127b1880
13540cc3
14394db2
1528e866
hex1e1aa0

1972896 has 24 divisors (see below), whose sum is σ = 5179104. Its totient is φ = 657600.

The previous prime is 1972891. The next prime is 1972913. The reversal of 1972896 is 6982791.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (1972891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10180 + ... + 10371.

It is an arithmetic number, because the mean of its divisors is an integer number (215796).

21972896 is an apocalyptic number.

1972896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1972896 is an abundant number, since it is smaller than the sum of its proper divisors (3206208).

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

1972896 is a wasteful number, since it uses less digits than its factorization.

1972896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20564 (or 20556 counting only the distinct ones).

The product of its digits is 54432, while the sum is 42.

The square root of 1972896 is about 1404.5981631769. The cubic root of 1972896 is about 125.4203660875.

The spelling of 1972896 in words is "one million, nine hundred seventy-two thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 20551 41102 61653 82204 123306 164408 246612 328816 493224 657632 986448 1972896