Base | Representation |
---|---|
bin | 1010110100000… |
… | …00010100110000 |
3 | 20022200012100000 |
4 | 11122000110300 |
5 | 141210000102 |
6 | 13000030000 |
7 | 2150651451 |
oct | 532002460 |
9 | 208605300 |
10 | 90703152 |
11 | 47221691 |
12 | 26462300 |
13 | 15a3a007 |
14 | c091128 |
15 | 7e6a01c |
hex | 5680530 |
90703152 has 120 divisors (see below), whose sum is σ = 270138960. Its totient is φ = 29445120.
The previous prime is 90703141. The next prime is 90703153. The reversal of 90703152 is 25130709.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (90703153) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 159124 + ... + 159692.
It is an arithmetic number, because the mean of its divisors is an integer number (2251158).
Almost surely, 290703152 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 90703152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135069480).
90703152 is an abundant number, since it is smaller than the sum of its proper divisors (179435808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90703152 is a wasteful number, since it uses less digits than its factorization.
90703152 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 633 (or 615 counting only the distinct ones).
The product of its (nonzero) digits is 1890, while the sum is 27.
The square root of 90703152 is about 9523.8202418987. The cubic root of 90703152 is about 449.3045256993.
The spelling of 90703152 in words is "ninety million, seven hundred three thousand, one hundred fifty-two".
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