Base | Representation |
---|---|
bin | 10010010111011… |
… | …11001001001110 |
3 | 101201220122112200 |
4 | 21023233021032 |
5 | 303420243010 |
6 | 23142142330 |
7 | 3550405266 |
oct | 1113571116 |
9 | 351818480 |
10 | 154071630 |
11 | 79a73329 |
12 | 437219a6 |
13 | 25bc625b |
14 | 166687a6 |
15 | d7d5cc0 |
hex | 92ef24e |
154071630 has 48 divisors (see below), whose sum is σ = 402128064. Its totient is φ = 40927680.
The previous prime is 154071611. The next prime is 154071637. The reversal of 154071630 is 36170451.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 154071594 and 154071603.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (154071637) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21232 + ... + 27548.
It is an arithmetic number, because the mean of its divisors is an integer number (8377668).
Almost surely, 2154071630 is an apocalyptic number.
154071630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
154071630 is an abundant number, since it is smaller than the sum of its proper divisors (248056434).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154071630 is a wasteful number, since it uses less digits than its factorization.
154071630 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6601 (or 6598 counting only the distinct ones).
The product of its (nonzero) digits is 2520, while the sum is 27.
The square root of 154071630 is about 12412.5593654169. The cubic root of 154071630 is about 536.0939330993.
The spelling of 154071630 in words is "one hundred fifty-four million, seventy-one thousand, six hundred thirty".
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