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428902966 = 2214451483
BaseRepresentation
bin11001100100001…
…000101000110110
31002220001112021001
4121210020220312
51334244343331
6110320513514
713425420652
oct3144105066
91086045231
10428902966
11200117168
12bb77b89a
136ab2114b
1440d69a62
15279c2561
hex19908a36

428902966 has 4 divisors (see below), whose sum is σ = 643354452. Its totient is φ = 214451482.

The previous prime is 428902951. The next prime is 428902993. The reversal of 428902966 is 669209824.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×4289029663 (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107225740 + ... + 107225743.

It is an arithmetic number, because the mean of its divisors is an integer number (160838613).

Almost surely, 2428902966 is an apocalyptic number.

428902966 is a deficient number, since it is larger than the sum of its proper divisors (214451486).

428902966 is a wasteful number, since it uses less digits than its factorization.

428902966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214451485.

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 428902966 is about 20709.9726219037. The cubic root of 428902966 is about 754.1418057486.

The spelling of 428902966 in words is "four hundred twenty-eight million, nine hundred two thousand, nine hundred sixty-six".

Divisors: 1 2 214451483 428902966