Base | Representation |
---|---|
bin | 1000010111111… |
… | …00011100101100 |
3 | 11220011120020010 |
4 | 10023330130230 |
5 | 120440140134 |
6 | 10545253220 |
7 | 1512013320 |
oct | 413743454 |
9 | 156146203 |
10 | 70240044 |
11 | 36715426 |
12 | 1b634210 |
13 | 11723b74 |
14 | 9485980 |
15 | 6276ce9 |
hex | 42fc72c |
70240044 has 24 divisors (see below), whose sum is σ = 187307008. Its totient is φ = 20068560.
The previous prime is 70240021. The next prime is 70240057. The reversal of 70240044 is 44004207.
It is a super-2 number, since 2×702400442 = 9867327562243872, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a self number, because there is not a number n which added to its sum of digits gives 70240044.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418012 + ... + 418179.
Almost surely, 270240044 is an apocalyptic number.
It is an amenable number.
70240044 is an abundant number, since it is smaller than the sum of its proper divisors (117066964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70240044 is a wasteful number, since it uses less digits than its factorization.
70240044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 836205 (or 836203 counting only the distinct ones).
The product of its (nonzero) digits is 896, while the sum is 21.
The square root of 70240044 is about 8380.9333609092. The cubic root of 70240044 is about 412.5990829017.
The spelling of 70240044 in words is "seventy million, two hundred forty thousand, forty-four".
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