Base | Representation |
---|---|
bin | 1000010110111… |
… | …00001000011000 |
3 | 11212220211122110 |
4 | 10023130020120 |
5 | 120421421142 |
6 | 10542352320 |
7 | 1510622355 |
oct | 413341030 |
9 | 155824573 |
10 | 70107672 |
11 | 36634a28 |
12 | 1b58b6a0 |
13 | 116a883b |
14 | 944d62c |
15 | 624c99c |
hex | 42dc218 |
70107672 has 32 divisors (see below), whose sum is σ = 177742080. Its totient is φ = 23039520.
The previous prime is 70107659. The next prime is 70107689. The reversal of 70107672 is 27670107.
It is a happy number.
It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
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, 18868 + ... + 22275.
It is an arithmetic number, because the mean of its divisors is an integer number (5554440).
Almost surely, 270107672 is an apocalyptic number.
It is an amenable number.
70107672 is an abundant number, since it is smaller than the sum of its proper divisors (107634408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70107672 is a wasteful number, since it uses less digits than its factorization.
70107672 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41223 (or 41219 counting only the distinct ones).
The product of its (nonzero) digits is 4116, while the sum is 30.
The square root of 70107672 is about 8373.0324255911. The cubic root of 70107672 is about 412.3397298406.
Adding to 70107672 its reverse (27670107), we get a palindrome (97777779).
The spelling of 70107672 in words is "seventy million, one hundred seven thousand, six hundred seventy-two".
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