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1992133404 = 2232331316703
BaseRepresentation
bin111011010111101…
…1000101100011100
312010211112212021200
41312233120230130
513034441232104
6525402155500
7100236566052
oct16657305434
95124485250
101992133404
11932564348
124771b2b90
13259951881
1414c80c1d2
15b9d5bb39
hex76bd8b1c

1992133404 has 36 divisors (see below), whose sum is σ = 5037492096. Its totient is φ = 663804288.

The previous prime is 1992133373. The next prime is 1992133417. The reversal of 1992133404 is 4043312991.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110917 + ... + 127619.

It is an arithmetic number, because the mean of its divisors is an integer number (139930336).

Almost surely, 21992133404 is an apocalyptic number.

It is an amenable number.

1992133404 is an abundant number, since it is smaller than the sum of its proper divisors (3045358692).

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

1992133404 is a wasteful number, since it uses less digits than its factorization.

1992133404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20026 (or 20021 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 1992133404 is about 44633.3216778675. The cubic root of 1992133404 is about 1258.2669977203.

The spelling of 1992133404 in words is "one billion, nine hundred ninety-two million, one hundred thirty-three thousand, four hundred four".

Divisors: 1 2 3 4 6 9 12 18 36 3313 6626 9939 13252 16703 19878 29817 33406 39756 50109 59634 66812 100218 119268 150327 200436 300654 601308 55337039 110674078 166011117 221348156 332022234 498033351 664044468 996066702 1992133404