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152900455 = 530580091
BaseRepresentation
bin10010001110100…
…01001101100111
3101122201010222211
421013101031213
5303120303310
623101104251
73534426631
oct1107211547
9348633884
10152900455
1179343414
1243258087
13258a6156
1416441a51
15d653c8a
hex91d1367

152900455 has 4 divisors (see below), whose sum is σ = 183480552. Its totient is φ = 122320360.

The previous prime is 152900437. The next prime is 152900491. The reversal of 152900455 is 554009251.

152900455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 554009251 = 3714973223.

It is not a de Polignac number, because 152900455 - 27 = 152900327 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15290041 + ... + 15290050.

It is an arithmetic number, because the mean of its divisors is an integer number (45870138).

Almost surely, 2152900455 is an apocalyptic number.

152900455 is a deficient number, since it is larger than the sum of its proper divisors (30580097).

152900455 is an equidigital number, since it uses as much as digits as its factorization.

152900455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30580096.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 152900455 is about 12365.2923540044. The cubic root of 152900455 is about 534.7321045001.

The spelling of 152900455 in words is "one hundred fifty-two million, nine hundred thousand, four hundred fifty-five".

Divisors: 1 5 30580091 152900455