Base | Representation |
---|---|
bin | 1000011101010… |
… | …01101010000100 |
3 | 11221111121102120 |
4 | 10032221222010 |
5 | 121130341013 |
6 | 11012405540 |
7 | 1521026610 |
oct | 416515204 |
9 | 157447376 |
10 | 70949508 |
11 | 3705a463 |
12 | 1b9168b0 |
13 | 11911a76 |
14 | 95cc340 |
15 | 6367123 |
hex | 43a9a84 |
70949508 has 48 divisors (see below), whose sum is σ = 193234944. Its totient is φ = 19838880.
The previous prime is 70949497. The next prime is 70949509. The reversal of 70949508 is 80594907.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a self number, because there is not a number n which added to its sum of digits gives 70949508.
It is not an unprimeable number, because it can be changed into a prime (70949509) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5038 + ... + 12933.
It is an arithmetic number, because the mean of its divisors is an integer number (4025728).
Almost surely, 270949508 is an apocalyptic number.
It is an amenable number.
70949508 is an abundant number, since it is smaller than the sum of its proper divisors (122285436).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70949508 is a wasteful number, since it uses less digits than its factorization.
70949508 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18032 (or 18030 counting only the distinct ones).
The product of its (nonzero) digits is 90720, while the sum is 42.
The square root of 70949508 is about 8423.1530913311. The cubic root of 70949508 is about 413.9835928992.
The spelling of 70949508 in words is "seventy million, nine hundred forty-nine thousand, five hundred eight".
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