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2755972 = 221740529
BaseRepresentation
bin1010100000110110000100
312012000111001
422200312010
51201142342
6135023044
732265622
oct12406604
95160431
102755972
11161266a
12b0aa84
1375656b
1451a512
153968b7
hex2a0d84

2755972 has 12 divisors (see below), whose sum is σ = 5106780. Its totient is φ = 1296896.

The previous prime is 2755967. The next prime is 2755981. The reversal of 2755972 is 2795572.

It can be written as a sum of positive squares in 2 ways, for example, as 2414916 + 341056 = 1554^2 + 584^2 .

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, 20197 + ... + 20332.

It is an arithmetic number, because the mean of its divisors is an integer number (425565).

22755972 is an apocalyptic number.

It is an amenable number.

2755972 is a deficient number, since it is larger than the sum of its proper divisors (2350808).

2755972 is a wasteful number, since it uses less digits than its factorization.

2755972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40550 (or 40548 counting only the distinct ones).

The product of its digits is 44100, while the sum is 37.

The square root of 2755972 is about 1660.1120444115. The cubic root of 2755972 is about 140.2033100494.

The spelling of 2755972 in words is "two million, seven hundred fifty-five thousand, nine hundred seventy-two".

Divisors: 1 2 4 17 34 68 40529 81058 162116 688993 1377986 2755972