Search a number
-
+
80668203 = 37111372549
BaseRepresentation
bin1001100111011…
…10011000101011
312121210100222020
410303232120223
5131122340303
612000555523
71666445160
oct463563053
9177710866
1080668203
1141598240
1223022ba3
1313935585
14a9dc067
157136a53
hex4cee62b

80668203 has 32 divisors (see below), whose sum is σ = 135129600. Its totient is φ = 41583360.

The previous prime is 80668193. The next prime is 80668219. The reversal of 80668203 is 30286608.

It is not a de Polignac number, because 80668203 - 24 = 80668187 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (80668223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30373 + ... + 32921.

It is an arithmetic number, because the mean of its divisors is an integer number (4222800).

Almost surely, 280668203 is an apocalyptic number.

80668203 is a deficient number, since it is larger than the sum of its proper divisors (54461397).

80668203 is a wasteful number, since it uses less digits than its factorization.

80668203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2707.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 80668203 is about 8981.5479178146. The cubic root of 80668203 is about 432.0832797693.

The spelling of 80668203 in words is "eighty million, six hundred sixty-eight thousand, two hundred three".

Divisors: 1 3 7 11 21 33 77 137 231 411 959 1507 2549 2877 4521 7647 10549 17843 28039 31647 53529 84117 196273 349213 588819 1047639 2444491 3841343 7333473 11524029 26889401 80668203