Base | Representation |
---|---|
bin | 10010100101111… |
… | …00101011101010 |
3 | 101212110200202201 |
4 | 21102330223222 |
5 | 304411241330 |
6 | 23250450414 |
7 | 3602440654 |
oct | 1122745352 |
9 | 355420681 |
10 | 155962090 |
11 | 80044699 |
12 | 44293a0a |
13 | 2640887b |
14 | 169db6d4 |
15 | da5aeca |
hex | 94bcaea |
155962090 has 8 divisors (see below), whose sum is σ = 280731780. Its totient is φ = 62384832.
The previous prime is 155962061. The next prime is 155962099. The reversal of 155962090 is 90269551.
155962090 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 152053561 + 3908529 = 12331^2 + 1977^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (155962099) 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, 7798095 + ... + 7798114.
Almost surely, 2155962090 is an apocalyptic number.
155962090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
155962090 is a deficient number, since it is larger than the sum of its proper divisors (124769690).
155962090 is a wasteful number, since it uses less digits than its factorization.
155962090 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15596216.
The product of its (nonzero) digits is 24300, while the sum is 37.
The square root of 155962090 is about 12488.4782900080. The cubic root of 155962090 is about 538.2776513533.
The spelling of 155962090 in words is "one hundred fifty-five million, nine hundred sixty-two thousand, ninety".
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