| Base | Representation |
|---|---|
| bin | 101000000111001… |
| … | …0000010110000000 |
| 3 | 10110210120112020120 |
| 4 | 1100032100112000 |
| 5 | 10224023223430 |
| 6 | 341315340240 |
| 7 | 45232040136 |
| oct | 12016202600 |
| 9 | 3423515216 |
| 10 | 1345914240 |
| 11 | 630808320 |
| 12 | 3168b1680 |
| 13 | 185ac2778 |
| 14 | caa73756 |
| 15 | 7d25e610 |
| hex | 50390580 |
1345914240 has 128 divisors (see below), whose sum is σ = 4680184320. Its totient is φ = 326277120.
The previous prime is 1345914211. The next prime is 1345914247. The reversal of 1345914240 is 424195431.
It is a tau number, because it is divible by the number of its divisors (128).
It is a super-2 number, since 2×13459142402 = 3622970282869555200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1345914247) 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, 10744 + ... + 52983.
It is an arithmetic number, because the mean of its divisors is an integer number (36563940).
Almost surely, 21345914240 is an apocalyptic number.
1345914240 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 1345914240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2340092160).
1345914240 is an abundant number, since it is smaller than the sum of its proper divisors (3334270080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1345914240 is a wasteful number, since it uses less digits than its factorization.
1345914240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63760 (or 63748 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 33.
The square root of 1345914240 is about 36686.7038584826. The cubic root of 1345914240 is about 1104.0933548446.
It can be divided in two parts, 134591 and 4240, that added together give a palindrome (138831).
The spelling of 1345914240 in words is "one billion, three hundred forty-five million, nine hundred fourteen thousand, two hundred forty".
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