Base | Representation |
---|---|
bin | 101000111010001… |
… | …0100101010100100 |
3 | 10112122220220002220 |
4 | 1101310110222210 |
5 | 10302400430003 |
6 | 344113032340 |
7 | 46005336120 |
oct | 12164245244 |
9 | 3478826086 |
10 | 1372670628 |
11 | 64492283a |
12 | 3238556b0 |
13 | 18b500254 |
14 | d043a580 |
15 | 80797353 |
hex | 51d14aa4 |
1372670628 has 48 divisors (see below), whose sum is σ = 3677850624. Its totient is φ = 390327840.
The previous prime is 1372670623. The next prime is 1372670707. The reversal of 1372670628 is 8260762731.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a self number, because there is not a number n which added to its sum of digits gives 1372670628.
It is not an unprimeable number, because it can be changed into a prime (1372670623) 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, 21000 + ... + 56447.
It is an arithmetic number, because the mean of its divisors is an integer number (76621888).
Almost surely, 21372670628 is an apocalyptic number.
It is an amenable number.
1372670628 is an abundant number, since it is smaller than the sum of its proper divisors (2305179996).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1372670628 is a wasteful number, since it uses less digits than its factorization.
1372670628 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77672 (or 77670 counting only the distinct ones).
The product of its (nonzero) digits is 169344, while the sum is 42.
The square root of 1372670628 is about 37049.5698760458. The cubic root of 1372670628 is about 1111.3617537569.
The spelling of 1372670628 in words is "one billion, three hundred seventy-two million, six hundred seventy thousand, six hundred twenty-eight".
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