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1992959 = 31531213
BaseRepresentation
bin111100110100011111111
310202020211022
413212203333
51002233314
6110414355
722640243
oct7464377
93666738
101992959
111141381
128013bb
1354a187
1439c423
1529578e
hex1e68ff

1992959 has 8 divisors (see below), whose sum is σ = 2097792. Its totient is φ = 1890720.

The previous prime is 1992953. The next prime is 1992971. The reversal of 1992959 is 9592991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1992959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1992953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1037 + ... + 2249.

It is an arithmetic number, because the mean of its divisors is an integer number (262224).

21992959 is an apocalyptic number.

1992959 is a deficient number, since it is larger than the sum of its proper divisors (104833).

1992959 is a wasteful number, since it uses less digits than its factorization.

1992959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297.

The product of its digits is 65610, while the sum is 44.

The square root of 1992959 is about 1411.7219981285. The cubic root of 1992959 is about 125.8440794101.

It can be divided in two parts, 19929 and 59, that multiplied together give a triangular number (1175811 = T1533).

The spelling of 1992959 in words is "one million, nine hundred ninety-two thousand, nine hundred fifty-nine".

Divisors: 1 31 53 1213 1643 37603 64289 1992959