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192894441940 = 22539541243917
BaseRepresentation
bin1011001110100101100…
…1111001100111010100
3200102220010220221021101
42303221121321213110
511130021434120230
6224340421155444
716636050463204
oct2635131714724
9612803827241
10192894441940
117489597a272
1231473b5bb84
13152611a7955
14949c528404
15503e758aca
hex2ce96799d4

192894441940 has 24 divisors (see below), whose sum is σ = 405090233352. Its totient is φ = 77155509120.

The previous prime is 192894441913. The next prime is 192894441997. The reversal of 192894441940 is 49144498291.

It can be written as a sum of positive squares in 4 ways, for example, as 23943848644 + 168950593296 = 154738^2 + 411036^2 .

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 668862 + ... + 912778.

It is an arithmetic number, because the mean of its divisors is an integer number (16878759723).

Almost surely, 2192894441940 is an apocalyptic number.

192894441940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

192894441940 is an abundant number, since it is smaller than the sum of its proper divisors (212195791412).

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

192894441940 is a wasteful number, since it uses less digits than its factorization.

192894441940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283467 (or 283465 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 55.

The spelling of 192894441940 in words is "one hundred ninety-two billion, eight hundred ninety-four million, four hundred forty-one thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 39541 79082 158164 197705 243917 395410 487834 790820 975668 1219585 2439170 4878340 9644722097 19289444194 38578888388 48223610485 96447220970 192894441940