Base | Representation |
---|---|
bin | 10010011000001… |
… | …01010101101100 |
3 | 101202002021020201 |
4 | 21030011111230 |
5 | 303431200130 |
6 | 23144123244 |
7 | 3551234320 |
oct | 1114052554 |
9 | 352067221 |
10 | 154162540 |
11 | 7a025664 |
12 | 43766524 |
13 | 25c2874c |
14 | 1668d980 |
15 | d802bca |
hex | 930556c |
154162540 has 48 divisors (see below), whose sum is σ = 374476032. Its totient is φ = 52214976.
The previous prime is 154162517. The next prime is 154162553. The reversal of 154162540 is 45261451.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a junction number, because it is equal to n+sod(n) for n = 154162499 and 154162508.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4987 + ... + 18253.
It is an arithmetic number, because the mean of its divisors is an integer number (7801584).
Almost surely, 2154162540 is an apocalyptic number.
154162540 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 154162540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187238016).
154162540 is an abundant number, since it is smaller than the sum of its proper divisors (220313492).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154162540 is a wasteful number, since it uses less digits than its factorization.
154162540 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13366 (or 13364 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 28.
The square root of 154162540 is about 12416.2208421081. The cubic root of 154162540 is about 536.1993531497.
It can be divided in two parts, 15416 and 2540, that added together give a square (17956 = 1342).
The spelling of 154162540 in words is "one hundred fifty-four million, one hundred sixty-two thousand, five hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •