Base | Representation |
---|---|
bin | 10010000010010… |
… | …00010001101110 |
3 | 101112200101020000 |
4 | 21001020101232 |
5 | 302212302430 |
6 | 23002405130 |
7 | 3514644414 |
oct | 1101102156 |
9 | 345611200 |
10 | 151290990 |
11 | 78444184 |
12 | 428007a6 |
13 | 254616c6 |
14 | 161432b4 |
15 | d436e60 |
hex | 904846e |
151290990 has 80 divisors (see below), whose sum is σ = 430773552. Its totient is φ = 37967616.
The previous prime is 151290961. The next prime is 151291001. The reversal of 151290990 is 99092151.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8277 + ... + 19263.
Almost surely, 2151290990 is an apocalyptic number.
151290990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 151290990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215386776).
151290990 is an abundant number, since it is smaller than the sum of its proper divisors (279482562).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
151290990 is a wasteful number, since it uses less digits than its factorization.
151290990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11023 (or 11014 counting only the distinct ones).
The product of its (nonzero) digits is 7290, while the sum is 36.
The square root of 151290990 is about 12300.0402438366. The cubic root of 151290990 is about 532.8492452048.
The spelling of 151290990 in words is "one hundred fifty-one million, two hundred ninety thousand, nine hundred ninety".
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