Base | Representation |
---|---|
bin | 10010010010100… |
… | …00000101111011 |
3 | 101200200112212222 |
4 | 21021100011323 |
5 | 303233421110 |
6 | 23120154255 |
7 | 3542023040 |
oct | 1111200573 |
9 | 350615788 |
10 | 153420155 |
11 | 79668919 |
12 | 4346898b |
13 | 25a28875 |
14 | 165391c7 |
15 | d707c55 |
hex | 925017b |
153420155 has 64 divisors (see below), whose sum is σ = 240952320. Its totient is φ = 91238400.
The previous prime is 153420149. The next prime is 153420161. The reversal of 153420155 is 551024351.
It is an interprime number because it is at equal distance from previous prime (153420149) and next prime (153420161).
It is a de Polignac number, because none of the positive numbers 2k-153420155 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 463340 + ... + 463670.
It is an arithmetic number, because the mean of its divisors is an integer number (3764880).
Almost surely, 2153420155 is an apocalyptic number.
153420155 is a deficient number, since it is larger than the sum of its proper divisors (87532165).
153420155 is a wasteful number, since it uses less digits than its factorization.
153420155 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 420.
The product of its (nonzero) digits is 3000, while the sum is 26.
The square root of 153420155 is about 12386.2889922688. The cubic root of 153420155 is about 535.3372607811.
The spelling of 153420155 in words is "one hundred fifty-three million, four hundred twenty thousand, one hundred fifty-five".
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