Base | Representation |
---|---|
bin | 10010001011110… |
… | …01100011110111 |
3 | 101122000220111122 |
4 | 21011321203313 |
5 | 303022311211 |
6 | 23045254155 |
7 | 3531403130 |
oct | 1105714367 |
9 | 348026448 |
10 | 152541431 |
11 | 791186a9 |
12 | 4310435b |
13 | 257ab903 |
14 | 1638ac87 |
15 | d5d26db |
hex | 91798f7 |
152541431 has 8 divisors (see below), whose sum is σ = 175403904. Its totient is φ = 129946680.
The previous prime is 152541427. The next prime is 152541437. The reversal of 152541431 is 134145251.
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 152541431 - 22 = 152541427 is a prime.
It is a super-2 number, since 2×1525414312 = 46537776343055522, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 152541431.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (152541437) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65705 + ... + 67986.
It is an arithmetic number, because the mean of its divisors is an integer number (21925488).
Almost surely, 2152541431 is an apocalyptic number.
152541431 is a deficient number, since it is larger than the sum of its proper divisors (22862473).
152541431 is a wasteful number, since it uses less digits than its factorization.
152541431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 133861.
The product of its digits is 2400, while the sum is 26.
The square root of 152541431 is about 12350.7664134660. The cubic root of 152541431 is about 534.3132434862.
Adding to 152541431 its reverse (134145251), we get a palindrome (286686682).
The spelling of 152541431 in words is "one hundred fifty-two million, five hundred forty-one thousand, four hundred thirty-one".
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