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428977196 = 22263409997
BaseRepresentation
bin11001100100011…
…010110000101100
31002220012022002022
4121210122300230
51334304232241
6110322245312
713426150244
oct3144326054
91086168068
10428977196
11200167a0a
12bb7b6838
136ab48b7b
1440d88b24
15279d954b
hex1991ac2c

428977196 has 24 divisors (see below), whose sum is σ = 756164640. Its totient is φ = 212936832.

The previous prime is 428977187. The next prime is 428977247. The reversal of 428977196 is 691779824.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 429770 + ... + 430766.

It is an arithmetic number, because the mean of its divisors is an integer number (31506860).

Almost surely, 2428977196 is an apocalyptic number.

It is an amenable number.

428977196 is a deficient number, since it is larger than the sum of its proper divisors (327187444).

428977196 is a wasteful number, since it uses less digits than its factorization.

428977196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673 (or 1671 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 53.

The square root of 428977196 is about 20711.7646761448. The cubic root of 428977196 is about 754.1853095412.

The spelling of 428977196 in words is "four hundred twenty-eight million, nine hundred seventy-seven thousand, one hundred ninety-six".

Divisors: 1 2 4 263 409 526 818 997 1052 1636 1994 3988 107567 215134 262211 407773 430268 524422 815546 1048844 1631092 107244299 214488598 428977196