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83030472 = 23327164743
BaseRepresentation
bin1001111001011…
…11000111001000
312210020101101200
410330233013020
5132223433342
612123344200
72025514230
oct474570710
9183211350
1083030472
1142961028
1223982060
1314281875
14b054cc0
15745194c
hex4f2f1c8

83030472 has 48 divisors (see below), whose sum is σ = 257000640. Its totient is φ = 23722848.

The previous prime is 83030459. The next prime is 83030477. The reversal of 83030472 is 27403038.

It is not an unprimeable number, because it can be changed into a prime (83030477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81868 + ... + 82875.

It is an arithmetic number, because the mean of its divisors is an integer number (5354180).

Almost surely, 283030472 is an apocalyptic number.

It is an amenable number.

83030472 is an abundant number, since it is smaller than the sum of its proper divisors (173970168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83030472 is a wasteful number, since it uses less digits than its factorization.

83030472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164762 (or 164755 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 83030472 is about 9112.1057939425. The cubic root of 83030472 is about 436.2604425488.

The spelling of 83030472 in words is "eighty-three million, thirty thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 126 168 252 504 164743 329486 494229 658972 988458 1153201 1317944 1482687 1976916 2306402 2965374 3459603 3953832 4612804 5930748 6919206 9225608 10378809 11861496 13838412 20757618 27676824 41515236 83030472