Base | Representation |
---|---|
bin | 1000010101011… |
… | …11001011110000 |
3 | 11212120111002210 |
4 | 10022233023300 |
5 | 120400023233 |
6 | 10534412120 |
7 | 1506224541 |
oct | 412571360 |
9 | 155514083 |
10 | 69923568 |
11 | 36519680 |
12 | 1b501040 |
13 | 11642ac0 |
14 | 94024c8 |
15 | 6213163 |
hex | 42af2f0 |
69923568 has 160 divisors (see below), whose sum is σ = 216986112. Its totient is φ = 19123200.
The previous prime is 69923551. The next prime is 69923593. The reversal of 69923568 is 86532996.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a congruent number.
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 31 ways as a sum of consecutive naturals, for example, 418621 + ... + 418787.
Almost surely, 269923568 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 69923568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108493056).
69923568 is an abundant number, since it is smaller than the sum of its proper divisors (147062544).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69923568 is a wasteful number, since it uses less digits than its factorization.
69923568 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 263 (or 257 counting only the distinct ones).
The product of its digits is 699840, while the sum is 48.
The square root of 69923568 is about 8362.0313321585. The cubic root of 69923568 is about 411.9784762690.
The spelling of 69923568 in words is "sixty-nine million, nine hundred twenty-three thousand, five hundred sixty-eight".
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