Base | Representation |
---|---|
bin | 10010000101111… |
… | …01001100101010 |
3 | 101120120201011100 |
4 | 21002331030222 |
5 | 302323114043 |
6 | 23020542230 |
7 | 3522010560 |
oct | 1102751452 |
9 | 346521140 |
10 | 151769898 |
11 | 78740a75 |
12 | 429b1976 |
13 | 2559b697 |
14 | 16229a30 |
15 | d4cdcd3 |
hex | 90bd32a |
151769898 has 48 divisors (see below), whose sum is σ = 377185536. Its totient is φ = 43204320.
The previous prime is 151769861. The next prime is 151769903. The reversal of 151769898 is 898967151.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34863 + ... + 38973.
It is an arithmetic number, because the mean of its divisors is an integer number (7858032).
Almost surely, 2151769898 is an apocalyptic number.
151769898 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 151769898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188592768).
151769898 is an abundant number, since it is smaller than the sum of its proper divisors (225415638).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
151769898 is a wasteful number, since it uses less digits than its factorization.
151769898 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4419 (or 4416 counting only the distinct ones).
The product of its digits is 1088640, while the sum is 54.
The square root of 151769898 is about 12319.4926031878. The cubic root of 151769898 is about 533.4108934945.
The spelling of 151769898 in words is "one hundred fifty-one million, seven hundred sixty-nine thousand, eight hundred ninety-eight".
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