Base | Representation |
---|---|
bin | 101011010110100… |
… | …0101110100111000 |
3 | 10202101012102122101 |
4 | 1112231011310320 |
5 | 10434343122140 |
6 | 400202233144 |
7 | 51022261636 |
oct | 12655056470 |
9 | 3671172571 |
10 | 1454660920 |
11 | 687133309 |
12 | 3471b57b4 |
13 | 1a24a950b |
14 | db2a0356 |
15 | 87a9099a |
hex | 56b45d38 |
1454660920 has 64 divisors (see below), whose sum is σ = 3369794400. Its totient is φ = 564733440.
The previous prime is 1454660903. The next prime is 1454660923. The reversal of 1454660920 is 290664541.
It is a Harshad number since it is a multiple of its sum of digits (37).
It is a self number, because there is not a number n which added to its sum of digits gives 1454660920.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1454660923) 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, 752355 + ... + 754285.
Almost surely, 21454660920 is an apocalyptic number.
1454660920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1454660920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1684897200).
1454660920 is an abundant number, since it is smaller than the sum of its proper divisors (1915133480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1454660920 is a wasteful number, since it uses less digits than its factorization.
1454660920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2488 (or 2484 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 37.
The square root of 1454660920 is about 38140.0173046631. The cubic root of 1454660920 is about 1133.0626500808.
It can be divided in two parts, 14546 and 60920, that added together give a triangular number (75466 = T388).
The spelling of 1454660920 in words is "one billion, four hundred fifty-four million, six hundred sixty thousand, nine hundred twenty".
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