Base | Representation |
---|---|
bin | 1011001001010… |
… | …10100010010010 |
3 | 20111221011110000 |
4 | 11210222202102 |
5 | 142413404430 |
6 | 13135550430 |
7 | 2213500302 |
oct | 544524222 |
9 | 214834400 |
10 | 93497490 |
11 | 48860059 |
12 | 2738b416 |
13 | 164a7b78 |
14 | c5bb602 |
15 | 831ce60 |
hex | 592a892 |
93497490 has 40 divisors (see below), whose sum is σ = 251406540. Its totient is φ = 24932448.
The previous prime is 93497489. The next prime is 93497491. The reversal of 93497490 is 9479439.
It is an interprime number because it is at equal distance from previous prime (93497489) and next prime (93497491).
It can be written as a sum of positive squares in 2 ways, for example, as 88792929 + 4704561 = 9423^2 + 2169^2 .
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (93497491) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 56905 + ... + 58524.
Almost surely, 293497490 is an apocalyptic number.
93497490 is a gapful number since it is divisible by the number (90) formed by its first and last digit.
93497490 is an abundant number, since it is smaller than the sum of its proper divisors (157909050).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
93497490 is a wasteful number, since it uses less digits than its factorization.
93497490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 115448 (or 115439 counting only the distinct ones).
The product of its (nonzero) digits is 244944, while the sum is 45.
The square root of 93497490 is about 9669.4100130256. The cubic root of 93497490 is about 453.8719227039.
The spelling of 93497490 in words is "ninety-three million, four hundred ninety-seven thousand, four hundred ninety".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.031 sec. • engine limits •