Search a number
-
+
163688002 = 21719253387
BaseRepresentation
bin10011100000110…
…10111001000010
3102102000012201121
421300122321002
5313401004002
624124222454
74025216332
oct1160327102
9372005647
10163688002
1184441245
124699aa2a
1327bb230a
1417a4d0c2
15e585237
hex9c1ae42

163688002 has 16 divisors (see below), whose sum is σ = 273659040. Its totient is φ = 72975168.

The previous prime is 163687991. The next prime is 163688027. The reversal of 163688002 is 200886361.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126048 + ... + 127339.

It is an arithmetic number, because the mean of its divisors is an integer number (17103690).

Almost surely, 2163688002 is an apocalyptic number.

163688002 is a deficient number, since it is larger than the sum of its proper divisors (109971038).

163688002 is a wasteful number, since it uses less digits than its factorization.

163688002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253425.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 163688002 is about 12794.0612004164. The cubic root of 163688002 is about 547.0230364385.

The spelling of 163688002 in words is "one hundred sixty-three million, six hundred eighty-eight thousand, two".

Divisors: 1 2 17 19 34 38 323 646 253387 506774 4307579 4814353 8615158 9628706 81844001 163688002