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254794077940 = 22591331394909
BaseRepresentation
bin1110110101001011101…
…0010001011011110100
3220100200001000020201111
43231102322101123310
513133304240443230
6313014545204404
724260014633243
oct3552272213364
9810601006644
10254794077940
119906a683a36
124146a030704
131b04736babc
14c4913cc95a
156963b4692a
hex3b52e916f4

254794077940 has 24 divisors (see below), whose sum is σ = 535126533480. Its totient is φ = 101906398848.

The previous prime is 254794077919. The next prime is 254794077959. The reversal of 254794077940 is 49770497452.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 131837252836 + 122956825104 = 363094^2 + 350652^2 .

It is a hoax number, since the sum of its digits (58) 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, 514795 + ... + 880114.

It is an arithmetic number, because the mean of its divisors is an integer number (22296938895).

Almost surely, 2254794077940 is an apocalyptic number.

254794077940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254794077940 is an abundant number, since it is smaller than the sum of its proper divisors (280332455540).

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

254794077940 is a wasteful number, since it uses less digits than its factorization.

254794077940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404051 (or 1404049 counting only the distinct ones).

The product of its (nonzero) digits is 17781120, while the sum is 58.

The spelling of 254794077940 in words is "two hundred fifty-four billion, seven hundred ninety-four million, seventy-seven thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 9133 18266 36532 45665 91330 182660 1394909 2789818 5579636 6974545 13949090 27898180 12739703897 25479407794 50958815588 63698519485 127397038970 254794077940