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421476031 = 1931715579
BaseRepresentation
bin11001000111110…
…011011010111111
31002101002012102101
4121013303122333
51330344213111
6105453405531
713305326044
oct3107633277
91071065371
10421476031
111a6a041a9
12b91998a7
1369420802
143dd951cb
1527006bc1
hex191f36bf

421476031 has 8 divisors (see below), whose sum is σ = 457971200. Its totient is φ = 386412120.

The previous prime is 421476007. The next prime is 421476037. The reversal of 421476031 is 130674124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 421476031 - 27 = 421475903 is a prime.

It is a super-2 number, since 2×4214760312 = 355284089415025922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421476037) 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 7 ways as a sum of consecutive naturals, for example, 357201 + ... + 358378.

It is an arithmetic number, because the mean of its divisors is an integer number (57246400).

Almost surely, 2421476031 is an apocalyptic number.

421476031 is a deficient number, since it is larger than the sum of its proper divisors (36495169).

421476031 is a wasteful number, since it uses less digits than its factorization.

421476031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715629.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 421476031 is about 20529.8814170954. The cubic root of 421476031 is about 749.7634993570.

The spelling of 421476031 in words is "four hundred twenty-one million, four hundred seventy-six thousand, thirty-one".

Divisors: 1 19 31 589 715579 13596001 22182949 421476031