Base | Representation |
---|---|
bin | 10010010111110… |
… | …11011011100000 |
3 | 101202000012120110 |
4 | 21023323123200 |
5 | 303423400302 |
6 | 23143211320 |
7 | 3551005065 |
oct | 1113733340 |
9 | 352005513 |
10 | 154121952 |
11 | 79aa8116 |
12 | 43746b40 |
13 | 25c1312a |
14 | 1667cc6c |
15 | d7e5b6c |
hex | 92fb6e0 |
154121952 has 48 divisors (see below), whose sum is σ = 414448272. Its totient is φ = 50119680.
The previous prime is 154121951. The next prime is 154121963. The reversal of 154121952 is 259121451.
It is a tau number, because it is divible by the number of its divisors (48).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (154121951) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15643 + ... + 23514.
It is an arithmetic number, because the mean of its divisors is an integer number (8634339).
Almost surely, 2154121952 is an apocalyptic number.
154121952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
154121952 is an abundant number, since it is smaller than the sum of its proper divisors (260326320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154121952 is a wasteful number, since it uses less digits than its factorization.
154121952 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39211 (or 39203 counting only the distinct ones).
The product of its digits is 3600, while the sum is 30.
The square root of 154121952 is about 12414.5862597188. The cubic root of 154121952 is about 536.1522920639.
The spelling of 154121952 in words is "one hundred fifty-four million, one hundred twenty-one thousand, nine hundred fifty-two".
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