Base | Representation |
---|---|
bin | 1000011011101… |
… | …11100111101010 |
3 | 11221010012021200 |
4 | 10031313213222 |
5 | 121102311204 |
6 | 11004145030 |
7 | 1516214226 |
oct | 415674752 |
9 | 157105250 |
10 | 70744554 |
11 | 36a2a481 |
12 | 1b838176 |
13 | 1186c6aa |
14 | 9577786 |
15 | 6326539 |
hex | 43779ea |
70744554 has 24 divisors (see below), whose sum is σ = 154640772. Its totient is φ = 23372160.
The previous prime is 70744537. The next prime is 70744571. The reversal of 70744554 is 45544707.
It is an interprime number because it is at equal distance from previous prime (70744537) and next prime (70744571).
It can be written as a sum of positive squares in 2 ways, for example, as 59675625 + 11068929 = 7725^2 + 3327^2 .
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15357 + ... + 19424.
Almost surely, 270744554 is an apocalyptic number.
70744554 is an abundant number, since it is smaller than the sum of its proper divisors (83896218).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70744554 is a wasteful number, since it uses less digits than its factorization.
70744554 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34902 (or 34899 counting only the distinct ones).
The product of its (nonzero) digits is 78400, while the sum is 36.
The square root of 70744554 is about 8410.9781833031. The cubic root of 70744554 is about 413.5845794427.
It can be divided in two parts, 7074 and 4554, that added together give a triangular number (11628 = T152).
The spelling of 70744554 in words is "seventy million, seven hundred forty-four thousand, five hundred fifty-four".
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