Base | Representation |
---|---|
bin | 101100011100100… |
… | …101011101011000 |
3 | 1220222011000201000 |
4 | 230130211131120 |
5 | 3011344102333 |
6 | 201554425000 |
7 | 24323161101 |
oct | 5434453530 |
9 | 1828130630 |
10 | 745690968 |
11 | 352a17730 |
12 | 189892160 |
13 | bb649379 |
14 | 7106d3a8 |
15 | 456ea713 |
hex | 2c725758 |
745690968 has 128 divisors (see below), whose sum is σ = 2275200000. Its totient is φ = 224415360.
The previous prime is 745690943. The next prime is 745690969. The reversal of 745690968 is 869096547.
745690968 is a `hidden beast` number, since 74 + 569 + 0 + 9 + 6 + 8 = 666.
745690968 is digitally balanced in base 2, 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 a congruent number.
It is not an unprimeable number, because it can be changed into a prime (745690969) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 372033 + ... + 374031.
It is an arithmetic number, because the mean of its divisors is an integer number (17775000).
Almost surely, 2745690968 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 745690968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1137600000).
745690968 is an abundant number, since it is smaller than the sum of its proper divisors (1529509032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
745690968 is a wasteful number, since it uses less digits than its factorization.
745690968 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2182 (or 2172 counting only the distinct ones).
The product of its (nonzero) digits is 3265920, while the sum is 54.
The square root of 745690968 is about 27307.3427487919. The cubic root of 745690968 is about 906.8169465671.
The spelling of 745690968 in words is "seven hundred forty-five million, six hundred ninety thousand, nine hundred sixty-eight".
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