Base | Representation |
---|---|
bin | 1000010100110000… |
… | …11110111000011101 |
3 | 102112110111201102100 |
4 | 10022120132320131 |
5 | 33123101014110 |
6 | 2015245315313 |
7 | 215515132266 |
oct | 41230367035 |
9 | 12473451370 |
10 | 4469157405 |
11 | 19937a5119 |
12 | a48865b39 |
13 | 562b9814b |
14 | 30579b96d |
15 | 1b2549bc0 |
hex | 10a61ee1d |
4469157405 has 24 divisors (see below), whose sum is σ = 7798541400. Its totient is φ = 2367550080.
The previous prime is 4469157403. The next prime is 4469157437. The reversal of 4469157405 is 5047519644.
It can be written as a sum of positive squares in 4 ways, for example, as 194351481 + 4274805924 = 13941^2 + 65382^2 .
It is not a de Polignac number, because 4469157405 - 21 = 4469157403 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4469157403) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 326566 + ... + 339975.
It is an arithmetic number, because the mean of its divisors is an integer number (324939225).
Almost surely, 24469157405 is an apocalyptic number.
4469157405 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
It is an amenable number.
4469157405 is a deficient number, since it is larger than the sum of its proper divisors (3329383995).
4469157405 is a wasteful number, since it uses less digits than its factorization.
4469157405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 666701 (or 666698 counting only the distinct ones).
The product of its (nonzero) digits is 604800, while the sum is 45.
The square root of 4469157405 is about 66851.7569327837. The cubic root of 4469157405 is about 1647.1831221411.
The spelling of 4469157405 in words is "four billion, four hundred sixty-nine million, one hundred fifty-seven thousand, four hundred five".
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