Base | Representation |
---|---|
bin | 10010000100010… |
… | …01001111011110 |
3 | 101120011220020102 |
4 | 21002021033132 |
5 | 302244311321 |
6 | 23012221102 |
7 | 3520133252 |
oct | 1102111736 |
9 | 346156212 |
10 | 151557086 |
11 | 7860609a |
12 | 4290a792 |
13 | 25525865 |
14 | 161b2262 |
15 | d48ac0b |
hex | 90893de |
151557086 has 4 divisors (see below), whose sum is σ = 227335632. Its totient is φ = 75778542.
The previous prime is 151557083. The next prime is 151557113. The reversal of 151557086 is 680755151.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 680755151 = 22511 ⋅30241.
It is a super-2 number, since 2×1515570862 = 45939100633622792, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (151557083) by changing a digit.
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 as a sum of consecutive naturals, namely, 37889270 + ... + 37889273.
It is an arithmetic number, because the mean of its divisors is an integer number (56833908).
Almost surely, 2151557086 is an apocalyptic number.
151557086 is a deficient number, since it is larger than the sum of its proper divisors (75778546).
151557086 is an equidigital number, since it uses as much as digits as its factorization.
151557086 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 75778545.
The product of its (nonzero) digits is 42000, while the sum is 38.
The square root of 151557086 is about 12310.8523669159. The cubic root of 151557086 is about 533.1614603296.
The spelling of 151557086 in words is "one hundred fifty-one million, five hundred fifty-seven thousand, eighty-six".
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