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155350113 = 351783371
BaseRepresentation
bin10010100001001…
…11010001100001
3101211022121021220
421100213101201
5304232200423
623225405253
73564311532
oct1120472141
9354277256
10155350113
117a766926
1244039829
1326253159
14168bc689
15d9899e3
hex9427461

155350113 has 4 divisors (see below), whose sum is σ = 207133488. Its totient is φ = 103566740.

The previous prime is 155350081. The next prime is 155350141. The reversal of 155350113 is 311053551.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 311053551 = 3103684517.

It is a cyclic number.

It is not a de Polignac number, because 155350113 - 25 = 155350081 is a prime.

It is a super-2 number, since 2×1553501132 = 48267315218225538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (155350183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25891683 + ... + 25891688.

It is an arithmetic number, because the mean of its divisors is an integer number (51783372).

Almost surely, 2155350113 is an apocalyptic number.

It is an amenable number.

155350113 is a deficient number, since it is larger than the sum of its proper divisors (51783375).

155350113 is an equidigital number, since it uses as much as digits as its factorization.

155350113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51783374.

The product of its (nonzero) digits is 1125, while the sum is 24.

The square root of 155350113 is about 12463.9525432344. The cubic root of 155350113 is about 537.5726822931.

The spelling of 155350113 in words is "one hundred fifty-five million, three hundred fifty thousand, one hundred thirteen".

Divisors: 1 3 51783371 155350113