Base | Representation |
---|---|
bin | 10010100101110… |
… | …01010001011000 |
3 | 101212102222121022 |
4 | 21102321101120 |
5 | 304410314440 |
6 | 23250302012 |
7 | 3602352146 |
oct | 1122712130 |
9 | 355388538 |
10 | 155948120 |
11 | 80035149 |
12 | 44287908 |
13 | 264023c3 |
14 | 169d6596 |
15 | da56cb5 |
hex | 94b9458 |
155948120 has 32 divisors (see below), whose sum is σ = 351259200. Its totient is φ = 62312448.
The previous prime is 155948099. The next prime is 155948159. The reversal of 155948120 is 21849551.
It is a super-2 number, since 2×1559481202 = 48639632263068800, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54977 + ... + 57743.
It is an arithmetic number, because the mean of its divisors is an integer number (10976850).
Almost surely, 2155948120 is an apocalyptic number.
155948120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
155948120 is an abundant number, since it is smaller than the sum of its proper divisors (195311080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
155948120 is a wasteful number, since it uses less digits than its factorization.
155948120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4187 (or 4183 counting only the distinct ones).
The product of its (nonzero) digits is 14400, while the sum is 35.
The square root of 155948120 is about 12487.9189619408. The cubic root of 155948120 is about 538.2615791498.
The spelling of 155948120 in words is "one hundred fifty-five million, nine hundred forty-eight thousand, one hundred twenty".
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