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42400554284 = 2211317468473
BaseRepresentation
bin100111011111010001…
…010001110100101100
311001102222010022220102
4213133101101310230
51143314020214114
631251211010232
73030503523224
oct473721216454
9131388108812
1042400554284
1116a8900a000
128273a39978
133cc950359a
1420a3333084
15118261c2de
hex9df451d2c

42400554284 has 48 divisors (see below), whose sum is σ = 86416587936. Its totient is φ = 18139235840.

The previous prime is 42400554281. The next prime is 42400554307. The reversal of 42400554284 is 48245500424.

It is not an unprimeable number, because it can be changed into a prime (42400554281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143729 + ... + 324744.

It is an arithmetic number, because the mean of its divisors is an integer number (1800345582).

Almost surely, 242400554284 is an apocalyptic number.

42400554284 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42400554284 is an abundant number, since it is smaller than the sum of its proper divisors (44016033652).

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

42400554284 is a wasteful number, since it uses less digits than its factorization.

42400554284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468527 (or 468503 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 38.

The spelling of 42400554284 in words is "forty-two billion, four hundred million, five hundred fifty-four thousand, two hundred eighty-four".

Divisors: 1 2 4 11 17 22 34 44 68 121 187 242 374 484 748 1331 2057 2662 4114 5324 8228 22627 45254 90508 468473 936946 1873892 5153203 7964041 10306406 15928082 20612812 31856164 56685233 87604451 113370466 175208902 226740932 350417804 623537563 963648961 1247075126 1927297922 2494150252 3854595844 10600138571 21200277142 42400554284