Base | Representation |
---|---|
bin | 10010000111101… |
… | …01111100011011 |
3 | 101121000111222222 |
4 | 21003311330123 |
5 | 302403033311 |
6 | 23025534255 |
7 | 3523666325 |
oct | 1103657433 |
9 | 347014888 |
10 | 152002331 |
11 | 7888a668 |
12 | 42aa438b |
13 | 25650410 |
14 | 1628a615 |
15 | d527adb |
hex | 90f5f1b |
152002331 has 24 divisors (see below), whose sum is σ = 176833440. Its totient is φ = 129880080.
The previous prime is 152002283. The next prime is 152002343. The reversal of 152002331 is 133200251.
It is a de Polignac number, because none of the positive numbers 2k-152002331 is a prime.
It is a super-2 number, since 2×1520023312 = 46209417258867122, which contains 22 as substring.
It is a Duffinian number.
152002331 is a modest number, since divided by 2331 gives 152 as remainder.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (152002351) 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, 4903286 + ... + 4903316.
It is an arithmetic number, because the mean of its divisors is an integer number (7368060).
Almost surely, 2152002331 is an apocalyptic number.
152002331 is a deficient number, since it is larger than the sum of its proper divisors (24831109).
152002331 is an frugal number, since it uses more digits than its factorization.
152002331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 144 (or 67 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 17.
The square root of 152002331 is about 12328.9225401087. The cubic root of 152002331 is about 533.6830578200.
Adding to 152002331 its reverse (133200251), we get a palindrome (285202582).
The spelling of 152002331 in words is "one hundred fifty-two million, two thousand, three hundred thirty-one".
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