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152412041 = 811187931
BaseRepresentation
bin10010001010110…
…01111110001001
3101121210100000102
421011121332021
5303004141131
623042415145
73530323655
oct1105317611
9347710012
10152412041
117903a471
12430614b5
1325764a52
1416355a65
15d5a91cb
hex9159f89

152412041 has 4 divisors (see below), whose sum is σ = 152600784. Its totient is φ = 152223300.

The previous prime is 152412019. The next prime is 152412059. The reversal of 152412041 is 140214251.

It is a happy number.

152412041 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 a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 140214251 = 173810487.

It is a cyclic number.

It is not a de Polignac number, because 152412041 - 222 = 148217737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152412011) 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, 93155 + ... + 94776.

It is an arithmetic number, because the mean of its divisors is an integer number (38150196).

Almost surely, 2152412041 is an apocalyptic number.

It is an amenable number.

152412041 is a deficient number, since it is larger than the sum of its proper divisors (188743).

152412041 is an equidigital number, since it uses as much as digits as its factorization.

152412041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188742.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 152412041 is about 12345.5271657390. The cubic root of 152412041 is about 534.1621274982.

Adding to 152412041 its reverse (140214251), we get a palindrome (292626292).

The spelling of 152412041 in words is "one hundred fifty-two million, four hundred twelve thousand, forty-one".

Divisors: 1 811 187931 152412041