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404078052 = 223743111871
BaseRepresentation
bin11000000101011…
…011110111100100
31001011100021212210
4120011123313210
51311420444202
6104032443420
713004415060
oct3005336744
91034307783
10404078052
11198100904
12b33a9570
136593b851
143b946aa0
152571bc6c
hex1815bde4

404078052 has 48 divisors (see below), whose sum is σ = 1102610432. Its totient is φ = 112764960.

The previous prime is 404078047. The next prime is 404078069. The reversal of 404078052 is 250870404.

It is a super-2 number, since 2×4040780522 = 326558144216229408, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52324 + ... + 59547.

Almost surely, 2404078052 is an apocalyptic number.

404078052 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

404078052 is an abundant number, since it is smaller than the sum of its proper divisors (698532380).

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

404078052 is a wasteful number, since it uses less digits than its factorization.

404078052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111928 (or 111926 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 404078052 is about 20101.6927645410. The cubic root of 404078052 is about 739.3017835870.

The spelling of 404078052 in words is "four hundred four million, seventy-eight thousand, fifty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 43 84 86 129 172 258 301 516 602 903 1204 1806 3612 111871 223742 335613 447484 671226 783097 1342452 1566194 2349291 3132388 4698582 4810453 9397164 9620906 14431359 19241812 28862718 33673171 57725436 67346342 101019513 134692684 202039026 404078052