Base | Representation |
---|---|
bin | 10010011001000… |
… | …00000101111000 |
3 | 101202021211120020 |
4 | 21030200011320 |
5 | 303443201440 |
6 | 23150330440 |
7 | 3552201642 |
oct | 1114400570 |
9 | 352254506 |
10 | 154272120 |
11 | 7a09aa22 |
12 | 437b9a20 |
13 | 25c665a2 |
14 | 166bb892 |
15 | d8253d0 |
hex | 9320178 |
154272120 has 128 divisors (see below), whose sum is σ = 483287040. Its totient is φ = 39352320.
The previous prime is 154272119. The next prime is 154272143. The reversal of 154272120 is 21272451.
154272120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 420177 + ... + 420543.
It is an arithmetic number, because the mean of its divisors is an integer number (3775680).
Almost surely, 2154272120 is an apocalyptic number.
154272120 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 154272120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241643520).
154272120 is an abundant number, since it is smaller than the sum of its proper divisors (329014920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154272120 is a wasteful number, since it uses less digits than its factorization.
154272120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 525 (or 521 counting only the distinct ones).
The product of its (nonzero) digits is 1120, while the sum is 24.
The square root of 154272120 is about 12420.6328341192. The cubic root of 154272120 is about 536.3263680285.
The spelling of 154272120 in words is "one hundred fifty-four million, two hundred seventy-two thousand, one hundred twenty".
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