Base | Representation |
---|---|
bin | 10010000111111… |
… | …00111001000111 |
3 | 101121001222001001 |
4 | 21003330321013 |
5 | 302404441131 |
6 | 23030314131 |
7 | 3524145313 |
oct | 1103747107 |
9 | 347058031 |
10 | 152030791 |
11 | 788a9a90 |
12 | 42ab8947 |
13 | 25660363 |
14 | 16296b43 |
15 | d531261 |
hex | 90fce47 |
152030791 has 4 divisors (see below), whose sum is σ = 165851784. Its totient is φ = 138209800.
The previous prime is 152030771. The next prime is 152030803. The reversal of 152030791 is 197030251.
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 152030791 - 29 = 152030279 is a prime.
It is a super-2 number, since 2×1520307912 = 46226722824171362, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (152030771) 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, 6910480 + ... + 6910501.
It is an arithmetic number, because the mean of its divisors is an integer number (41462946).
Almost surely, 2152030791 is an apocalyptic number.
152030791 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
152030791 is a deficient number, since it is larger than the sum of its proper divisors (13820993).
152030791 is a wasteful number, since it uses less digits than its factorization.
152030791 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13820992.
The product of its (nonzero) digits is 1890, while the sum is 28.
The square root of 152030791 is about 12330.0766826488. The cubic root of 152030791 is about 533.7163636075.
The spelling of 152030791 in words is "one hundred fifty-two million, thirty thousand, seven hundred ninety-one".
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