Base | Representation |
---|---|
bin | 10010000000010… |
… | …01001001111010 |
3 | 101112012020120011 |
4 | 21000021021322 |
5 | 302131014232 |
6 | 22553052134 |
7 | 3512516551 |
oct | 1100111172 |
9 | 345166504 |
10 | 151032442 |
11 | 78287a00 |
12 | 426b704a |
13 | 253a0b12 |
14 | 160b6d98 |
15 | d3d5547 |
hex | 900927a |
151032442 has 24 divisors (see below), whose sum is σ = 250014996. Its totient is φ = 68376000.
The previous prime is 151032419. The next prime is 151032449. The reversal of 151032442 is 244230151.
It can be written as a sum of positive squares in 2 ways, for example, as 146143921 + 4888521 = 12089^2 + 2211^2 .
It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is not an unprimeable number, because it can be changed into a prime (151032449) 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, 66892 + ... + 69112.
Almost surely, 2151032442 is an apocalyptic number.
151032442 is a deficient number, since it is larger than the sum of its proper divisors (98982554).
151032442 is a wasteful number, since it uses less digits than its factorization.
151032442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2526 (or 2515 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 22.
The square root of 151032442 is about 12289.5257028089. The cubic root of 151032442 is about 532.5455354244.
Adding to 151032442 its reverse (244230151), we get a palindrome (395262593).
The spelling of 151032442 in words is "one hundred fifty-one million, thirty-two thousand, four hundred forty-two".
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