Base | Representation |
---|---|
bin | 101011011100110… |
… | …0001101100000010 |
3 | 10202121100001022120 |
4 | 1112321201230002 |
5 | 10441211431040 |
6 | 400400145110 |
7 | 51062056605 |
oct | 12671415402 |
9 | 3677301276 |
10 | 1457920770 |
11 | 688a5a4a9 |
12 | 348308196 |
13 | 1a307b217 |
14 | db8ac33c |
15 | 87ed67d0 |
hex | 56e61b02 |
1457920770 has 32 divisors (see below), whose sum is σ = 3619667520. Its totient is φ = 375372480.
The previous prime is 1457920733. The next prime is 1457920771. The reversal of 1457920770 is 770297541.
It is not an unprimeable number, because it can be changed into a prime (1457920771) 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, 837016 + ... + 838755.
It is an arithmetic number, because the mean of its divisors is an integer number (113114610).
Almost surely, 21457920770 is an apocalyptic number.
1457920770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1457920770 is an abundant number, since it is smaller than the sum of its proper divisors (2161746750).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1457920770 is a wasteful number, since it uses less digits than its factorization.
1457920770 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1675810.
The product of its (nonzero) digits is 123480, while the sum is 42.
The square root of 1457920770 is about 38182.7286871957. The cubic root of 1457920770 is about 1133.9084047093.
The spelling of 1457920770 in words is "one billion, four hundred fifty-seven million, nine hundred twenty thousand, seven hundred seventy".
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