Base | Representation |
---|---|
bin | 1010101111110… |
… | …01000111011001 |
3 | 20021122001122100 |
4 | 11113321013121 |
5 | 141034234322 |
6 | 12540114013 |
7 | 2143154025 |
oct | 527710731 |
9 | 207561570 |
10 | 90149337 |
11 | 46983593 |
12 | 26235909 |
13 | 158a4c05 |
14 | bd89385 |
15 | 7daadac |
hex | 55f91d9 |
90149337 has 12 divisors (see below), whose sum is σ = 132986880. Its totient is φ = 58820568.
The previous prime is 90149327. The next prime is 90149347. The reversal of 90149337 is 73394109.
It is an interprime number because it is at equal distance from previous prime (90149327) and next prime (90149347).
It is not a de Polignac number, because 90149337 - 210 = 90148313 is a prime.
It is not an unprimeable number, because it can be changed into a prime (90149327) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106137 + ... + 106982.
It is an arithmetic number, because the mean of its divisors is an integer number (11082240).
Almost surely, 290149337 is an apocalyptic number.
It is an amenable number.
90149337 is a deficient number, since it is larger than the sum of its proper divisors (42837543).
90149337 is a wasteful number, since it uses less digits than its factorization.
90149337 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 213172 (or 213169 counting only the distinct ones).
The product of its (nonzero) digits is 20412, while the sum is 36.
The square root of 90149337 is about 9494.7004692091. The cubic root of 90149337 is about 448.3882041835.
The spelling of 90149337 in words is "ninety million, one hundred forty-nine thousand, three hundred thirty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •