Base | Representation |
---|---|
bin | 10010011000011… |
… | …01010001100000 |
3 | 101202010220211102 |
4 | 21030031101200 |
5 | 303433220130 |
6 | 23144533532 |
7 | 3551431136 |
oct | 1114152140 |
9 | 352126742 |
10 | 154195040 |
11 | 7a04801a |
12 | 437812a8 |
13 | 25c3a48c |
14 | 1669b756 |
15 | d80c645 |
hex | 930d460 |
154195040 has 24 divisors (see below), whose sum is σ = 364286160. Its totient is φ = 61677952.
The previous prime is 154194979. The next prime is 154195061. The reversal of 154195040 is 40591451.
154195040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×1541950402 = 47552220721203200, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 154194994 and 154195012.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 481700 + ... + 482019.
It is an arithmetic number, because the mean of its divisors is an integer number (15178590).
Almost surely, 2154195040 is an apocalyptic number.
154195040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
154195040 is an abundant number, since it is smaller than the sum of its proper divisors (210091120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154195040 is an equidigital number, since it uses as much as digits as its factorization.
154195040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 963734 (or 963726 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 29.
The square root of 154195040 is about 12417.5295449618. The cubic root of 154195040 is about 536.2370303842.
The spelling of 154195040 in words is "one hundred fifty-four million, one hundred ninety-five thousand, forty".
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