Base | Representation |
---|---|
bin | 10010010110011… |
… | …10110000101100 |
3 | 101201122220121000 |
4 | 21023032300230 |
5 | 303402021423 |
6 | 23135240300 |
7 | 3546313500 |
oct | 1113166054 |
9 | 351586530 |
10 | 153938988 |
11 | 79992705 |
12 | 43679090 |
13 | 25b7aa78 |
14 | 16632300 |
15 | d7ab843 |
hex | 92cec2c |
153938988 has 144 divisors (see below), whose sum is σ = 489014400. Its totient is φ = 41640480.
The previous prime is 153938957. The next prime is 153939001. The reversal of 153938988 is 889839351.
153938988 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (54).
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 47 ways as a sum of consecutive naturals, for example, 99783 + ... + 101313.
Almost surely, 2153938988 is an apocalyptic number.
153938988 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 153938988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244507200).
153938988 is an abundant number, since it is smaller than the sum of its proper divisors (335075412).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
153938988 is a wasteful number, since it uses less digits than its factorization.
153938988 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1577 (or 1562 counting only the distinct ones).
The product of its digits is 1866240, while the sum is 54.
The square root of 153938988 is about 12407.2151589307. The cubic root of 153938988 is about 535.9400458299.
The spelling of 153938988 in words is "one hundred fifty-three million, nine hundred thirty-eight thousand, nine hundred eighty-eight".
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