Base | Representation |
---|---|
bin | 10010010010011… |
… | …01000111110001 |
3 | 101200122221012020 |
4 | 21021031013301 |
5 | 303233023420 |
6 | 23120022053 |
7 | 3541642413 |
oct | 1111150761 |
9 | 350587166 |
10 | 153407985 |
11 | 7965a765 |
12 | 43461929 |
13 | 25a23173 |
14 | 165349b3 |
15 | d704340 |
hex | 924d1f1 |
153407985 has 32 divisors (see below), whose sum is σ = 250698240. Its totient is φ = 80083200.
The previous prime is 153407977. The next prime is 153408007. The reversal of 153407985 is 589704351.
153407985 = T382 + T383 + ... + T991.
It is not a de Polignac number, because 153407985 - 23 = 153407977 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 355720 + ... + 356150.
It is an arithmetic number, because the mean of its divisors is an integer number (7834320).
Almost surely, 2153407985 is an apocalyptic number.
153407985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
153407985 is a deficient number, since it is larger than the sum of its proper divisors (97290255).
153407985 is a wasteful number, since it uses less digits than its factorization.
153407985 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 889.
The product of its (nonzero) digits is 151200, while the sum is 42.
The square root of 153407985 is about 12385.7977135104. The cubic root of 153407985 is about 535.3231052599.
The spelling of 153407985 in words is "one hundred fifty-three million, four hundred seven thousand, nine hundred eighty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •