Base | Representation |
---|---|
bin | 11110001101100… |
… | …00100101010110 |
3 | 122122212120202002 |
4 | 33012300211112 |
5 | 1004334230402 |
6 | 41051515302 |
7 | 6165056162 |
oct | 1706604526 |
9 | 578776662 |
10 | 253430102 |
11 | 120066872 |
12 | 70a58b32 |
13 | 40673a53 |
14 | 2592dca2 |
15 | 173b0602 |
hex | f1b0956 |
253430102 has 16 divisors (see below), whose sum is σ = 390020400. Its totient is φ = 123432960.
The previous prime is 253430087. The next prime is 253430167. The reversal of 253430102 is 201034352.
It is a happy number.
253430102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61049 + ... + 65067.
It is an arithmetic number, because the mean of its divisors is an integer number (24376275).
Almost surely, 2253430102 is an apocalyptic number.
253430102 is a deficient number, since it is larger than the sum of its proper divisors (136590298).
253430102 is a wasteful number, since it uses less digits than its factorization.
253430102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4831.
The product of its (nonzero) digits is 720, while the sum is 20.
The square root of 253430102 is about 15919.4881199114. The cubic root of 253430102 is about 632.8285529722.
Adding to 253430102 its reverse (201034352), we get a palindrome (454464454).
The spelling of 253430102 in words is "two hundred fifty-three million, four hundred thirty thousand, one hundred two".
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