Base | Representation |
---|---|
bin | 10010010111111… |
… | …01011110001111 |
3 | 101202000122001100 |
4 | 21023331132033 |
5 | 303424132234 |
6 | 23143314143 |
7 | 3551041350 |
oct | 1113753617 |
9 | 352018040 |
10 | 154130319 |
11 | 7a003432 |
12 | 4374b953 |
13 | 25c16b95 |
14 | 16681d27 |
15 | d7e8399 |
hex | 92fd78f |
154130319 has 12 divisors (see below), whose sum is σ = 254437456. Its totient is φ = 88074432.
The previous prime is 154130311. The next prime is 154130321. The reversal of 154130319 is 913031451.
It is not a de Polignac number, because 154130319 - 23 = 154130311 is a prime.
It is a super-2 number, since 2×1541303192 = 47512310470083522, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 154130292 and 154130301.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (154130311) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1223194 + ... + 1223319.
Almost surely, 2154130319 is an apocalyptic number.
154130319 is a deficient number, since it is larger than the sum of its proper divisors (100307137).
154130319 is a wasteful number, since it uses less digits than its factorization.
154130319 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2446526 (or 2446523 counting only the distinct ones).
The product of its (nonzero) digits is 1620, while the sum is 27.
The square root of 154130319 is about 12414.9232377812. The cubic root of 154130319 is about 536.1619941320.
It can be divided in two parts, 154130 and 319, that added together give a square (154449 = 3932).
The spelling of 154130319 in words is "one hundred fifty-four million, one hundred thirty thousand, three hundred nineteen".
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