Base | Representation |
---|---|
bin | 1000011011000… |
… | …00010100010000 |
3 | 11220221100100111 |
4 | 10031200110100 |
5 | 121041232404 |
6 | 11002131104 |
7 | 1515336031 |
oct | 415402420 |
9 | 156840314 |
10 | 70649104 |
11 | 36974799 |
12 | 1b7b0a94 |
13 | 11838106 |
14 | 9550a88 |
15 | 6308104 |
hex | 4360510 |
70649104 has 40 divisors (see below), whose sum is σ = 143026560. Its totient is φ = 33763968.
The previous prime is 70649099. The next prime is 70649107. The reversal of 70649104 is 40194607.
It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (70649107) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48937 + ... + 50359.
It is an arithmetic number, because the mean of its divisors is an integer number (3575664).
Almost surely, 270649104 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 70649104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71513280).
70649104 is an abundant number, since it is smaller than the sum of its proper divisors (72377456).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70649104 is a wasteful number, since it uses less digits than its factorization.
70649104 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1567 (or 1561 counting only the distinct ones).
The product of its (nonzero) digits is 6048, while the sum is 31.
The square root of 70649104 is about 8405.3021361519. The cubic root of 70649104 is about 413.3984901330.
The spelling of 70649104 in words is "seventy million, six hundred forty-nine thousand, one hundred four".
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