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156300041 = 318749043
BaseRepresentation
bin10010101000011…
…11001100001001
3101220002212100102
421110033030021
5310003100131
623302015145
73605346152
oct1124171411
9356085312
10156300041
1180255597
12444174b5
13264c6641
1416a88929
15dac61cb
hex950f309

156300041 has 4 divisors (see below), whose sum is σ = 156352272. Its totient is φ = 156247812.

The previous prime is 156300017. The next prime is 156300049. The reversal of 156300041 is 140003651.

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: 140003651 = 157891743.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-156300041 is a prime.

It is a pancake number, because a pancake can be divided into 156300041 parts by 17680 straight cuts.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 156299986 and 156300022.

It is not an unprimeable number, because it can be changed into a prime (156300049) 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, 21335 + ... + 27708.

It is an arithmetic number, because the mean of its divisors is an integer number (39088068).

Almost surely, 2156300041 is an apocalyptic number.

It is an amenable number.

156300041 is a deficient number, since it is larger than the sum of its proper divisors (52231).

156300041 is an equidigital number, since it uses as much as digits as its factorization.

156300041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52230.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 156300041 is about 12502.0014797632. The cubic root of 156300041 is about 538.6661650729. Note that the first 3 decimals are identical.

Adding to 156300041 its reverse (140003651), we get a palindrome (296303692).

The spelling of 156300041 in words is "one hundred fifty-six million, three hundred thousand, forty-one".

Divisors: 1 3187 49043 156300041