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156414013 = 722344859
BaseRepresentation
bin10010101001010…
…11000000111101
3101220022122200121
421110223000331
5310020222023
623304254541
73606332350
oct1124530075
9356278617
10156414013
1180323188
1244471451
1326536492
1416ab8297
15dae9d5d
hex952b03d

156414013 has 4 divisors (see below), whose sum is σ = 178758880. Its totient is φ = 134069148.

The previous prime is 156414001. The next prime is 156414017. The reversal of 156414013 is 310414651.

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: 310414651 = 653475367.

It is a cyclic number.

It is not a de Polignac number, because 156414013 - 25 = 156413981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156414017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11172423 + ... + 11172436.

It is an arithmetic number, because the mean of its divisors is an integer number (44689720).

Almost surely, 2156414013 is an apocalyptic number.

It is an amenable number.

156414013 is a deficient number, since it is larger than the sum of its proper divisors (22344867).

156414013 is an equidigital number, since it uses as much as digits as its factorization.

156414013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22344866.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 156414013 is about 12506.5587992861. The cubic root of 156414013 is about 538.7970627649.

Adding to 156414013 its reverse (310414651), we get a palindrome (466828664).

The spelling of 156414013 in words is "one hundred fifty-six million, four hundred fourteen thousand, thirteen".

Divisors: 1 7 22344859 156414013