Base | Representation |
---|---|
bin | 1000011010110… |
… | …01010101010101 |
3 | 11220212220010010 |
4 | 10031121111111 |
5 | 121034324001 |
6 | 11001350433 |
7 | 1515156450 |
oct | 415312525 |
9 | 156786103 |
10 | 70620501 |
11 | 36955256 |
12 | 1b798419 |
13 | 118280a3 |
14 | 9544497 |
15 | 62ee8d6 |
hex | 4359555 |
70620501 has 16 divisors (see below), whose sum is σ = 107752064. Its totient is φ = 40302144.
The previous prime is 70620427. The next prime is 70620527. The reversal of 70620501 is 10502607.
It is not a de Polignac number, because 70620501 - 215 = 70587733 is a prime.
It is a super-2 number, since 2×706205012 = 9974510322982002, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70620541) 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, 19251 + ... + 22623.
It is an arithmetic number, because the mean of its divisors is an integer number (6734504).
Almost surely, 270620501 is an apocalyptic number.
It is an amenable number.
70620501 is a deficient number, since it is larger than the sum of its proper divisors (37131563).
70620501 is a wasteful number, since it uses less digits than its factorization.
70620501 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4380.
The product of its (nonzero) digits is 420, while the sum is 21.
The square root of 70620501 is about 8403.6004783664. The cubic root of 70620501 is about 413.3426930907.
The spelling of 70620501 in words is "seventy million, six hundred twenty thousand, five hundred one".
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