Base | Representation |
---|---|
bin | 10010001101110… |
… | …01000010100000 |
3 | 101122112010011121 |
4 | 21012321002200 |
5 | 303104121230 |
6 | 23055022024 |
7 | 3533535151 |
oct | 1106710240 |
9 | 348463147 |
10 | 152801440 |
11 | 79285a90 |
12 | 4320a914 |
13 | 2587006c |
14 | 16417928 |
15 | d63477a |
hex | 91b90a0 |
152801440 has 96 divisors (see below), whose sum is σ = 417057984. Its totient is φ = 52285440.
The previous prime is 152801431. The next prime is 152801459. The reversal of 152801440 is 44108251.
It is a congruent number.
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, 27367 + ... + 32473.
It is an arithmetic number, because the mean of its divisors is an integer number (4344354).
Almost surely, 2152801440 is an apocalyptic number.
152801440 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 152801440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208528992).
152801440 is an abundant number, since it is smaller than the sum of its proper divisors (264256544).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
152801440 is a wasteful number, since it uses less digits than its factorization.
152801440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5150 (or 5142 counting only the distinct ones).
The product of its (nonzero) digits is 1280, while the sum is 25.
The square root of 152801440 is about 12361.2879587849. The cubic root of 152801440 is about 534.6166526255.
Adding to 152801440 its reverse (44108251), we get a palindrome (196909691).
The spelling of 152801440 in words is "one hundred fifty-two million, eight hundred one thousand, four hundred forty".
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