Base | Representation |
---|---|
bin | 10010001000110… |
… | …11000110101100 |
3 | 101121022020210100 |
4 | 21010123012230 |
5 | 302422421130 |
6 | 23033111100 |
7 | 3525202146 |
oct | 1104330654 |
9 | 347266710 |
10 | 152154540 |
11 | 78983a5a |
12 | 42b58490 |
13 | 256a4795 |
14 | 162c9c96 |
15 | d557c60 |
hex | 911b1ac |
152154540 has 36 divisors (see below), whose sum is σ = 461535984. Its totient is φ = 40574496.
The previous prime is 152154523. The next prime is 152154551. The reversal of 152154540 is 45451251.
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-2 number, since 2×1521545402 = 46302008085223200, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 422472 + ... + 422831.
It is an arithmetic number, because the mean of its divisors is an integer number (12820444).
Almost surely, 2152154540 is an apocalyptic number.
152154540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
152154540 is an abundant number, since it is smaller than the sum of its proper divisors (309381444).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
152154540 is a wasteful number, since it uses less digits than its factorization.
152154540 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 845318 (or 845313 counting only the distinct ones).
The product of its (nonzero) digits is 4000, while the sum is 27.
The square root of 152154540 is about 12335.0938383135. The cubic root of 152154540 is about 533.8611346191.
The spelling of 152154540 in words is "one hundred fifty-two million, one hundred fifty-four thousand, five hundred forty".
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