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1972704 = 25320549
BaseRepresentation
bin111100001100111100000
310201020001010
413201213200
51001111304
6110140520
722524216
oct7414740
93636033
101972704
111128138
127b1740
13540ba6
14394cb6
1528e789
hex1e19e0

1972704 has 24 divisors (see below), whose sum is σ = 5178600. Its totient is φ = 657536.

The previous prime is 1972669. The next prime is 1972717. The reversal of 1972704 is 4072791.

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

It is a super-2 number, since 2×19727042 = 7783122143232, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

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, 10179 + ... + 10370.

It is an arithmetic number, because the mean of its divisors is an integer number (215775).

21972704 is an apocalyptic number.

It is an amenable number.

1972704 is an abundant number, since it is smaller than the sum of its proper divisors (3205896).

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

1972704 is a wasteful number, since it uses less digits than its factorization.

1972704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20562 (or 20554 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 1972704 is about 1404.5298145643. The cubic root of 1972704 is about 125.4162973662.

The spelling of 1972704 in words is "one million, nine hundred seventy-two thousand, seven hundred four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 20549 41098 61647 82196 123294 164392 246588 328784 493176 657568 986352 1972704