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420376892 = 221310775553
BaseRepresentation
bin11001000011100…
…111000100111100
31002022000100200112
4121003213010330
51330104030032
6105414045152
713263100415
oct3103470474
91068010615
10420376892
111a6323421
12b89497b8
1369127430
143db8a80c
1526d8b1b2
hex190e713c

420376892 has 24 divisors (see below), whose sum is σ = 799663536. Its totient is φ = 192204288.

The previous prime is 420376811. The next prime is 420376927. The reversal of 420376892 is 298673024.

It is a happy number.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32213 + ... + 43340.

It is an arithmetic number, because the mean of its divisors is an integer number (33319314).

Almost surely, 2420376892 is an apocalyptic number.

It is an amenable number.

420376892 is a deficient number, since it is larger than the sum of its proper divisors (379286644).

420376892 is a wasteful number, since it uses less digits than its factorization.

420376892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75677 (or 75675 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 420376892 is about 20503.0946932408. The cubic root of 420376892 is about 749.1111793763. Note that the first 4 decimals are identical.

The spelling of 420376892 in words is "four hundred twenty million, three hundred seventy-six thousand, eight hundred ninety-two".

Divisors: 1 2 4 13 26 52 107 214 428 1391 2782 5564 75553 151106 302212 982189 1964378 3928756 8084171 16168342 32336684 105094223 210188446 420376892