Base | Representation |
---|---|
bin | 101011011011100… |
… | …1101111110010010 |
3 | 10202120012022100200 |
4 | 1112313031332102 |
5 | 10441033100410 |
6 | 400335200030 |
7 | 51053656623 |
oct | 12667157622 |
9 | 3676168320 |
10 | 1457315730 |
11 | 688686972 |
12 | 348076016 |
13 | 1a2bc8a00 |
14 | db791a4a |
15 | 87e173c0 |
hex | 56dcdf92 |
1457315730 has 72 divisors (see below), whose sum is σ = 4102947108. Its totient is φ = 358720128.
The previous prime is 1457315689. The next prime is 1457315749. The reversal of 1457315730 is 375137541.
1457315730 is a `hidden beast` number, since 1 + 4 + 57 + 31 + 573 + 0 = 666.
It can be written as a sum of positive squares in 6 ways, for example, as 2732409 + 1454583321 = 1653^2 + 38139^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 32697 + ... + 63116.
Almost surely, 21457315730 is an apocalyptic number.
1457315730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1457315730 is an abundant number, since it is smaller than the sum of its proper divisors (2645631378).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1457315730 is a wasteful number, since it uses less digits than its factorization.
1457315730 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 95852 (or 95836 counting only the distinct ones).
The product of its (nonzero) digits is 44100, while the sum is 36.
The square root of 1457315730 is about 38174.8049110929. The cubic root of 1457315730 is about 1133.7515249294.
It can be divided in two parts, 14573 and 15730, that added together give a palindrome (30303).
The spelling of 1457315730 in words is "one billion, four hundred fifty-seven million, three hundred fifteen thousand, seven hundred thirty".
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