Base | Representation |
---|---|
bin | 1011100101001… |
… | …10000001100111 |
3 | 20202210200102021 |
4 | 11302212001213 |
5 | 144332232111 |
6 | 13350124011 |
7 | 2256516220 |
oct | 562460147 |
9 | 222720367 |
10 | 97149031 |
11 | 4a924561 |
12 | 28650607 |
13 | 17185c45 |
14 | cc8c247 |
15 | 87ded71 |
hex | 5ca6067 |
97149031 has 8 divisors (see below), whose sum is σ = 111902720. Its totient is φ = 82614168.
The previous prime is 97149011. The next prime is 97149061. The reversal of 97149031 is 13094179.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 97149031 - 219 = 96624743 is a prime.
It is a super-2 number, since 2×971490312 = 18875868448477922, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (97149001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53751 + ... + 55528.
It is an arithmetic number, because the mean of its divisors is an integer number (13987840).
Almost surely, 297149031 is an apocalyptic number.
97149031 is a deficient number, since it is larger than the sum of its proper divisors (14753689).
97149031 is a wasteful number, since it uses less digits than its factorization.
97149031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 109413.
The product of its (nonzero) digits is 6804, while the sum is 34.
The square root of 97149031 is about 9856.4208006761. The cubic root of 97149031 is about 459.7052790772.
The spelling of 97149031 in words is "ninety-seven million, one hundred forty-nine thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •