Base | Representation |
---|---|
bin | 10010001011110… |
… | …01101110010101 |
3 | 101122000221102110 |
4 | 21011321232111 |
5 | 303022321401 |
6 | 23045301233 |
7 | 3531405105 |
oct | 1105715625 |
9 | 348027373 |
10 | 152542101 |
11 | 79119158 |
12 | 43104819 |
13 | 257abcca |
14 | 1638b205 |
15 | d5d29d6 |
hex | 9179b95 |
152542101 has 4 divisors (see below), whose sum is σ = 203389472. Its totient is φ = 101694732.
The previous prime is 152542087. The next prime is 152542111. The reversal of 152542101 is 101245251.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 152542101 - 25 = 152542069 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (152542111) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25423681 + ... + 25423686.
It is an arithmetic number, because the mean of its divisors is an integer number (50847368).
Almost surely, 2152542101 is an apocalyptic number.
It is an amenable number.
152542101 is a deficient number, since it is larger than the sum of its proper divisors (50847371).
152542101 is an equidigital number, since it uses as much as digits as its factorization.
152542101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50847370.
The product of its (nonzero) digits is 400, while the sum is 21.
The square root of 152542101 is about 12350.7935372591. The cubic root of 152542101 is about 534.3140257640.
Adding to 152542101 its reverse (101245251), we get a palindrome (253787352).
The spelling of 152542101 in words is "one hundred fifty-two million, five hundred forty-two thousand, one hundred one".
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