Base | Representation |
---|---|
bin | 1000010111111… |
… | …11001110010100 |
3 | 11220012010211011 |
4 | 10023333032110 |
5 | 120441021122 |
6 | 10545422004 |
7 | 1512061420 |
oct | 413771624 |
9 | 156163734 |
10 | 70251412 |
11 | 36722a20 |
12 | 1b63a904 |
13 | 117290aa |
14 | 9489b80 |
15 | 627a377 |
hex | 42ff394 |
70251412 has 48 divisors (see below), whose sum is σ = 162304128. Its totient is φ = 25758720.
The previous prime is 70251397. The next prime is 70251437. The reversal of 70251412 is 21415207.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1473 + ... + 11944.
It is an arithmetic number, because the mean of its divisors is an integer number (3381336).
Almost surely, 270251412 is an apocalyptic number.
It is an amenable number.
70251412 is an abundant number, since it is smaller than the sum of its proper divisors (92052716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70251412 is a wasteful number, since it uses less digits than its factorization.
70251412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13456 (or 13454 counting only the distinct ones).
The product of its (nonzero) digits is 560, while the sum is 22.
The square root of 70251412 is about 8381.6115395549. The cubic root of 70251412 is about 412.6213407340.
Adding to 70251412 its reverse (21415207), we get a palindrome (91666619).
The spelling of 70251412 in words is "seventy million, two hundred fifty-one thousand, four hundred twelve".
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