Base | Representation |
---|---|
bin | 10010001000110… |
… | …01011111011011 |
3 | 101121021220201120 |
4 | 21010121133123 |
5 | 302422213211 |
6 | 23033020323 |
7 | 3525143655 |
oct | 1104313733 |
9 | 347256646 |
10 | 152147931 |
11 | 78979aa1 |
12 | 42b546a3 |
13 | 256a1780 |
14 | 162c76d5 |
15 | d555d06 |
hex | 91197db |
152147931 has 8 divisors (see below), whose sum is σ = 218468880. Its totient is φ = 93629472.
The previous prime is 152147927. The next prime is 152147951. The reversal of 152147931 is 139741251.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 152147931 - 22 = 152147927 is a prime.
It is a super-2 number, since 2×1521479312 = 46297985815161522, which contains 22 as substring.
It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a junction number, because it is equal to n+sod(n) for n = 152147892 and 152147901.
It is not an unprimeable number, because it can be changed into a prime (152147911) 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, 1950576 + ... + 1950653.
It is an arithmetic number, because the mean of its divisors is an integer number (27308610).
Almost surely, 2152147931 is an apocalyptic number.
152147931 is a deficient number, since it is larger than the sum of its proper divisors (66320949).
152147931 is a wasteful number, since it uses less digits than its factorization.
152147931 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3901245.
The product of its digits is 7560, while the sum is 33.
The square root of 152147931 is about 12334.8259412121. The cubic root of 152147931 is about 533.8534048918.
The spelling of 152147931 in words is "one hundred fifty-two million, one hundred forty-seven thousand, nine hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •