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420955232 = 25103127717
BaseRepresentation
bin11001000101110…
…100010001100000
31002100002202000112
4121011310101200
51330231031412
6105434310452
713301026505
oct3105642140
91070082015
10420955232
111a6688995
12b8b88428
136929a749
143dc9b4ac
1526e52722
hex19174460

420955232 has 24 divisors (see below), whose sum is σ = 836808336. Its totient is φ = 208432512.

The previous prime is 420955229. The next prime is 420955243. The reversal of 420955232 is 232559024.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60563 + ... + 67154.

It is an arithmetic number, because the mean of its divisors is an integer number (34867014).

Almost surely, 2420955232 is an apocalyptic number.

It is an amenable number.

420955232 is a deficient number, since it is larger than the sum of its proper divisors (415853104).

420955232 is a wasteful number, since it uses less digits than its factorization.

420955232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127830 (or 127822 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 420955232 is about 20517.1935702717. The cubic root of 420955232 is about 749.4545557132.

The spelling of 420955232 in words is "four hundred twenty million, nine hundred fifty-five thousand, two hundred thirty-two".

Divisors: 1 2 4 8 16 32 103 206 412 824 1648 3296 127717 255434 510868 1021736 2043472 4086944 13154851 26309702 52619404 105238808 210477616 420955232