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83421892 = 2243617951
BaseRepresentation
bin1001111100011…
…10101011000100
312210222021022201
410332032223010
5132324000032
612140004244
72032034341
oct476165304
9183867281
1083421892
11430a9114
1223b30684
131438aa88
14b1177c8
1574cc8e7
hex4f8eac4

83421892 has 24 divisors (see below), whose sum is σ = 151851392. Its totient is φ = 40068000.

The previous prime is 83421887. The next prime is 83421931. The reversal of 83421892 is 29812438.

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, 6517 + ... + 14467.

Almost surely, 283421892 is an apocalyptic number.

It is an amenable number.

83421892 is a deficient number, since it is larger than the sum of its proper divisors (68429500).

83421892 is a wasteful number, since it uses less digits than its factorization.

83421892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8059 (or 8057 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

The square root of 83421892 is about 9133.5585616998. The cubic root of 83421892 is about 436.9449038335.

The spelling of 83421892 in words is "eighty-three million, four hundred twenty-one thousand, eight hundred ninety-two".