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234152405 = 546830481
BaseRepresentation
bin11011111010011…
…10000111010101
3121022121011201022
431331032013111
5434420334110
635122410525
75542156034
oct1575160725
9538534638
10234152405
1111019a193
1266500a45
1339684326
142315271b
1515853755
hexdf4e1d5

234152405 has 4 divisors (see below), whose sum is σ = 280982892. Its totient is φ = 187321920.

The previous prime is 234152377. The next prime is 234152411. The reversal of 234152405 is 504251432.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32341969 + 201810436 = 5687^2 + 14206^2 .

It is not a de Polignac number, because 234152405 - 26 = 234152341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23415236 + ... + 23415245.

It is an arithmetic number, because the mean of its divisors is an integer number (70245723).

Almost surely, 2234152405 is an apocalyptic number.

It is an amenable number.

234152405 is a deficient number, since it is larger than the sum of its proper divisors (46830487).

234152405 is an equidigital number, since it uses as much as digits as its factorization.

234152405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46830486.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 234152405 is about 15302.0392431859. The cubic root of 234152405 is about 616.3577686768.

The spelling of 234152405 in words is "two hundred thirty-four million, one hundred fifty-two thousand, four hundred five".

Divisors: 1 5 46830481 234152405