Base | Representation |
---|---|
bin | 10010000111101… |
… | …01110000011001 |
3 | 101121000110221110 |
4 | 21003311300121 |
5 | 302403022221 |
6 | 23025530533 |
7 | 3523664145 |
oct | 1103656031 |
9 | 347013843 |
10 | 152001561 |
11 | 7888a028 |
12 | 42aa3a49 |
13 | 2564cc6a |
14 | 1628a225 |
15 | d527776 |
hex | 90f5c19 |
152001561 has 8 divisors (see below), whose sum is σ = 203321664. Its totient is φ = 101007920.
The previous prime is 152001547. The next prime is 152001571. The reversal of 152001561 is 165100251.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 152001561 - 26 = 152001497 is a prime.
It is not an unprimeable number, because it can be changed into a prime (152001541) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80526 + ... + 82391.
It is an arithmetic number, because the mean of its divisors is an integer number (25415208).
Almost surely, 2152001561 is an apocalyptic number.
It is an amenable number.
152001561 is a deficient number, since it is larger than the sum of its proper divisors (51320103).
152001561 is a wasteful number, since it uses less digits than its factorization.
152001561 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 163231.
The product of its (nonzero) digits is 300, while the sum is 21.
The square root of 152001561 is about 12328.8913126850. The cubic root of 152001561 is about 533.6821566570.
It can be divided in two parts, 15200 and 1561, that added together give a palindrome (16761).
The spelling of 152001561 in words is "one hundred fifty-two million, one thousand, five hundred sixty-one".
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