Base | Representation |
---|---|
bin | 1000011010110… |
… | …10001100011110 |
3 | 11220220001221211 |
4 | 10031122030132 |
5 | 121034432110 |
6 | 11001415034 |
7 | 1515202651 |
oct | 415321436 |
9 | 156801854 |
10 | 70624030 |
11 | 36957974 |
12 | 1b79a47a |
13 | 11829889 |
14 | 9545898 |
15 | 630098a |
hex | 435a31e |
70624030 has 32 divisors (see below), whose sum is σ = 134659584. Its totient is φ = 26612256.
The previous prime is 70623991. The next prime is 70624039. The reversal of 70624030 is 3042607.
It is a super-2 number, since 2×706240302 = 9975507226881800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 70623992 and 70624010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70624039) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13119 + ... + 17701.
It is an arithmetic number, because the mean of its divisors is an integer number (4208112).
Almost surely, 270624030 is an apocalyptic number.
70624030 is a deficient number, since it is larger than the sum of its proper divisors (64035554).
70624030 is a wasteful number, since it uses less digits than its factorization.
70624030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4680.
The product of its (nonzero) digits is 1008, while the sum is 22.
The square root of 70624030 is about 8403.8104452683. The cubic root of 70624030 is about 413.3495780701.
Adding to 70624030 its reverse (3042607), we get a palindrome (73666637).
It can be divided in two parts, 70 and 624030, that added together give a square (624100 = 7902).
The spelling of 70624030 in words is "seventy million, six hundred twenty-four thousand, thirty".
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