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420875876 = 22139756971
BaseRepresentation
bin11001000101100…
…000111001100100
31002022221201011102
4121011200321210
51330221012001
6105432455232
713300246241
oct3105407144
91068851142
10420875876
111a6634303
12b8b4a518
13692705a5
143dc7a5c8
1526e38e6b
hex19160e64

420875876 has 12 divisors (see below), whose sum is σ = 741832560. Its totient is φ = 208923720.

The previous prime is 420875857. The next prime is 420875881. The reversal of 420875876 is 678578024.

It is a self number, because there is not a number n which added to its sum of digits gives 420875876.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 377930 + ... + 379041.

It is an arithmetic number, because the mean of its divisors is an integer number (61819380).

Almost surely, 2420875876 is an apocalyptic number.

It is an amenable number.

420875876 is a deficient number, since it is larger than the sum of its proper divisors (320956684).

420875876 is a wasteful number, since it uses less digits than its factorization.

420875876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757114 (or 757112 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 47.

The square root of 420875876 is about 20515.2595889011. The cubic root of 420875876 is about 749.4074585012.

The spelling of 420875876 in words is "four hundred twenty million, eight hundred seventy-five thousand, eight hundred seventy-six".

Divisors: 1 2 4 139 278 556 756971 1513942 3027884 105218969 210437938 420875876