Search a number
-
+
168472627 = 197855191
BaseRepresentation
bin10100000101010…
…11000000110011
3102202000021222221
422002223000303
5321112111002
624414541511
74113664561
oct1202530063
9382007887
10168472627
1187109a84
1248507897
1328b9905b
1418536a31
15ebccc37
hexa0ab033

168472627 has 4 divisors (see below), whose sum is σ = 169328016. Its totient is φ = 167617240.

The previous prime is 168472613. The next prime is 168472643. The reversal of 168472627 is 726274861.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-168472627 is a prime.

It is a super-2 number, since 2×1684726272 = 56766052096562258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168472657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 427399 + ... + 427792.

It is an arithmetic number, because the mean of its divisors is an integer number (42332004).

Almost surely, 2168472627 is an apocalyptic number.

168472627 is a deficient number, since it is larger than the sum of its proper divisors (855389).

168472627 is an equidigital number, since it uses as much as digits as its factorization.

168472627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855388.

The product of its digits is 225792, while the sum is 43.

The square root of 168472627 is about 12979.7005743584. The cubic root of 168472627 is about 552.3017881294.

The spelling of 168472627 in words is "one hundred sixty-eight million, four hundred seventy-two thousand, six hundred twenty-seven".

Divisors: 1 197 855191 168472627