Base | Representation |
---|---|
bin | 1011110010111… |
… | …11100001110111 |
3 | 20220012120002001 |
4 | 11321133201313 |
5 | 200313114211 |
6 | 13453000131 |
7 | 2311060426 |
oct | 571374167 |
9 | 226176061 |
10 | 98957431 |
11 | 5094a201 |
12 | 29183047 |
13 | 1766a0c1 |
14 | d1dd2bd |
15 | 8a4aac1 |
hex | 5e5f877 |
98957431 has 8 divisors (see below), whose sum is σ = 103369824. Its totient is φ = 94554240.
The previous prime is 98957423. The next prime is 98957437. The reversal of 98957431 is 13475989.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 98957431 - 23 = 98957423 is a prime.
It is a super-2 number, since 2×989574312 = 19585146300239522, 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 (98957437) 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, 28755 + ... + 32011.
It is an arithmetic number, because the mean of its divisors is an integer number (12921228).
Almost surely, 298957431 is an apocalyptic number.
98957431 is the 6292-nd centered pentagonal number.
98957431 is a deficient number, since it is larger than the sum of its proper divisors (4412393).
98957431 is a wasteful number, since it uses less digits than its factorization.
98957431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4601.
The product of its digits is 272160, while the sum is 46.
The square root of 98957431 is about 9947.7349683232. The cubic root of 98957431 is about 462.5401860383.
The spelling of 98957431 in words is "ninety-eight million, nine hundred fifty-seven thousand, four hundred thirty-one".
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