Base | Representation |
---|---|
bin | 1000001010100… |
… | …01110110011100 |
3 | 11202212210022200 |
4 | 10011101312130 |
5 | 120013231300 |
6 | 10444011500 |
7 | 1461115113 |
oct | 405216634 |
9 | 152783280 |
10 | 68492700 |
11 | 35731641 |
12 | 1ab30b90 |
13 | 11261733 |
14 | 914cc7a |
15 | 602e200 |
hex | 4151d9c |
68492700 has 54 divisors (see below), whose sum is σ = 214689384. Its totient is φ = 18264480.
The previous prime is 68492653. The next prime is 68492713. The reversal of 68492700 is 729486.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 37152 + ... + 38951.
Almost surely, 268492700 is an apocalyptic number.
68492700 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
68492700 is an abundant number, since it is smaller than the sum of its proper divisors (146196684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68492700 is a wasteful number, since it uses less digits than its factorization.
68492700 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 76123 (or 76113 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 36.
The square root of 68492700 is about 8276.0316577452. The cubic root of 68492700 is about 409.1489385695.
The spelling of 68492700 in words is "sixty-eight million, four hundred ninety-two thousand, seven hundred".
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