Base | Representation |
---|---|
bin | 111011001011… |
… | …0101111100110 |
3 | 2011101021212200 |
4 | 1312112233212 |
5 | 30420314100 |
6 | 3024555330 |
7 | 524501151 |
oct | 166265746 |
9 | 64337780 |
10 | 31026150 |
11 | 16571451 |
12 | a482b46 |
13 | 657408c |
14 | 4198c98 |
15 | 2acce00 |
hex | 1d96be6 |
31026150 has 36 divisors (see below), whose sum is σ = 83358132. Its totient is φ = 8273520.
The previous prime is 31026119. The next prime is 31026161. The reversal of 31026150 is 5162013.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 34024 + ... + 34923.
Almost surely, 231026150 is an apocalyptic number.
31026150 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
31026150 is an abundant number, since it is smaller than the sum of its proper divisors (52331982).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31026150 is a wasteful number, since it uses less digits than its factorization.
31026150 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68965 (or 68957 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 18.
The square root of 31026150 is about 5570.1122071283. The cubic root of 31026150 is about 314.2263706333.
Adding to 31026150 its reverse (5162013), we get a palindrome (36188163).
The spelling of 31026150 in words is "thirty-one million, twenty-six thousand, one hundred fifty".
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