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1972056 = 233127647
BaseRepresentation
bin111100001011101011000
310201012011010
413201131120
51001101211
6110133520
722522302
oct7413530
93635133
101972056
1111276a9
127b12a0
135407c8
14394972
1528e4a6
hex1e1758

1972056 has 32 divisors (see below), whose sum is σ = 4976640. Its totient is φ = 651168.

The previous prime is 1972049. The next prime is 1972079. The reversal of 1972056 is 6502791.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2725 + ... + 3371.

It is an arithmetic number, because the mean of its divisors is an integer number (155520).

21972056 is an apocalyptic number.

It is an amenable number.

1972056 is an abundant number, since it is smaller than the sum of its proper divisors (3004584).

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

1972056 is a wasteful number, since it uses less digits than its factorization.

1972056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783 (or 779 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 1972056 is about 1404.2991134370. The cubic root of 1972056 is about 125.4025634827.

The spelling of 1972056 in words is "one million, nine hundred seventy-two thousand, fifty-six".

Divisors: 1 2 3 4 6 8 12 24 127 254 381 508 647 762 1016 1294 1524 1941 2588 3048 3882 5176 7764 15528 82169 164338 246507 328676 493014 657352 986028 1972056