Base | Representation |
---|---|
bin | 1000011001001… |
… | …00000101000100 |
3 | 11220110210220021 |
4 | 10030210011010 |
5 | 121010333442 |
6 | 10552544524 |
7 | 1513260505 |
oct | 414440504 |
9 | 156423807 |
10 | 70402372 |
11 | 36816387 |
12 | 1b6b2144 |
13 | 1177ca11 |
14 | 94c8bac |
15 | 62a9e67 |
hex | 4324144 |
70402372 has 48 divisors (see below), whose sum is σ = 142128000. Its totient is φ = 30288384.
The previous prime is 70402369. The next prime is 70402373. The reversal of 70402372 is 27320407.
70402372 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.
70402372 is strictly pandigital in base 9.
It is not an unprimeable number, because it can be changed into a prime (70402373) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36529 + ... + 38407.
It is an arithmetic number, because the mean of its divisors is an integer number (2961000).
Almost surely, 270402372 is an apocalyptic number.
It is an amenable number.
70402372 is an abundant number, since it is smaller than the sum of its proper divisors (71725628).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70402372 is a wasteful number, since it uses less digits than its factorization.
70402372 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1948 (or 1946 counting only the distinct ones).
The product of its (nonzero) digits is 2352, while the sum is 25.
The square root of 70402372 is about 8390.6121349994. The cubic root of 70402372 is about 412.9166835707.
Adding to 70402372 its reverse (27320407), we get a palindrome (97722779).
The spelling of 70402372 in words is "seventy million, four hundred two thousand, three hundred seventy-two".
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