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421476880 = 24511243541
BaseRepresentation
bin11001000111110…
…011101000010000
31002101002020120211
4121013303220100
51330344230010
6105453413504
713305331366
oct3107635020
91071066524
10421476880
111a6a04900
12b919a294
1369421006
143dd95636
152700708a
hex191f3a10

421476880 has 60 divisors (see below), whose sum is σ = 1077141996. Its totient is φ = 153260800.

The previous prime is 421476851. The next prime is 421476889. The reversal of 421476880 is 88674124.

It can be written as a sum of positive squares in 2 ways, for example, as 92852496 + 328624384 = 9636^2 + 18128^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (421476889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12091 + ... + 31450.

Almost surely, 2421476880 is an apocalyptic number.

421476880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421476880 is an abundant number, since it is smaller than the sum of its proper divisors (655665116).

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

421476880 is a wasteful number, since it uses less digits than its factorization.

421476880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43576 (or 43559 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 421476880 is about 20529.9020942624. The cubic root of 421476880 is about 749.7640027852.

The spelling of 421476880 in words is "four hundred twenty-one million, four hundred seventy-six thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 121 176 220 242 440 484 605 880 968 1210 1936 2420 4840 9680 43541 87082 174164 217705 348328 435410 478951 696656 870820 957902 1741640 1915804 2394755 3483280 3831608 4789510 5268461 7663216 9579020 10536922 19158040 21073844 26342305 38316080 42147688 52684610 84295376 105369220 210738440 421476880