Base | Representation |
---|---|
bin | 1000010110010… |
… | …01110010100001 |
3 | 11212210000120222 |
4 | 10023021302201 |
5 | 120412020140 |
6 | 10541012425 |
7 | 1510160342 |
oct | 413116241 |
9 | 155700528 |
10 | 70032545 |
11 | 36593540 |
12 | 1b554115 |
13 | 1168059b |
14 | 94300c9 |
15 | 62355b5 |
hex | 42c9ca1 |
70032545 has 16 divisors (see below), whose sum is σ = 92631168. Its totient is φ = 50403840.
The previous prime is 70032517. The next prime is 70032553. The reversal of 70032545 is 54523007.
It is a de Polignac number, because none of the positive numbers 2k-70032545 is a prime.
It is a Duffinian number.
It is an unprimeable number.
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, 1229 + ... + 11898.
It is an arithmetic number, because the mean of its divisors is an integer number (5789448).
Almost surely, 270032545 is an apocalyptic number.
It is an amenable number.
70032545 is a deficient number, since it is larger than the sum of its proper divisors (22598623).
70032545 is a wasteful number, since it uses less digits than its factorization.
70032545 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13240.
The product of its (nonzero) digits is 4200, while the sum is 26.
The square root of 70032545 is about 8368.5449750838. The cubic root of 70032545 is about 412.1923901946.
The spelling of 70032545 in words is "seventy million, thirty-two thousand, five hundred forty-five".
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