Search a number
-
+
168907413 = 3417971723
BaseRepresentation
bin10100001000101…
…01001010010101
3102202211101102010
422010111022111
5321220014123
624432134433
74120455303
oct1204251225
9382741363
10168907413
1187386704
1248697419
1328cbbc1c
141860b273
15ec66993
hexa115295

168907413 has 16 divisors (see below), whose sum is σ = 231126336. Its totient is φ = 109656960.

The previous prime is 168907411. The next prime is 168907441. The reversal of 168907413 is 314709861.

It is not a de Polignac number, because 168907413 - 21 = 168907411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168907411) 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 15 ways as a sum of consecutive naturals, for example, 97170 + ... + 98892.

It is an arithmetic number, because the mean of its divisors is an integer number (14445396).

Almost surely, 2168907413 is an apocalyptic number.

It is an amenable number.

168907413 is a deficient number, since it is larger than the sum of its proper divisors (62218923).

168907413 is a wasteful number, since it uses less digits than its factorization.

168907413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2564.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 168907413 is about 12996.4384736742. The cubic root of 168907413 is about 552.7764978999.

The spelling of 168907413 in words is "one hundred sixty-eight million, nine hundred seven thousand, four hundred thirteen".

Divisors: 1 3 41 123 797 1723 2391 5169 32677 70643 98031 211929 1373231 4119693 56302471 168907413