Base | Representation |
---|---|
bin | 10010001110111… |
… | …01000100011011 |
3 | 101122210121121111 |
4 | 21013131010123 |
5 | 303123332034 |
6 | 23102121151 |
7 | 3535021336 |
oct | 1107350433 |
9 | 348717544 |
10 | 152949019 |
11 | 79376953 |
12 | 432801b7 |
13 | 258c22a2 |
14 | 1645561d |
15 | d663364 |
hex | 91dd11b |
152949019 has 4 divisors (see below), whose sum is σ = 153330840. Its totient is φ = 152567200.
The previous prime is 152949001. The next prime is 152949029. The reversal of 152949019 is 910949251.
152949019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 152949019 - 27 = 152948891 is a prime.
It is a super-2 number, since 2×1529490192 = 46786804826124722, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (152949029) 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, 190309 + ... + 191110.
It is an arithmetic number, because the mean of its divisors is an integer number (38332710).
Almost surely, 2152949019 is an apocalyptic number.
152949019 is a deficient number, since it is larger than the sum of its proper divisors (381821).
152949019 is an equidigital number, since it uses as much as digits as its factorization.
152949019 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 381820.
The product of its (nonzero) digits is 29160, while the sum is 40.
The square root of 152949019 is about 12367.2559203730. The cubic root of 152949019 is about 534.7887120949.
The spelling of 152949019 in words is "one hundred fifty-two million, nine hundred forty-nine thousand, nineteen".
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