Search a number
-
+
168076920 = 233511127331
BaseRepresentation
bin10100000010010…
…10011001111000
3102201021012012010
422001022121320
5321011430140
624402245520
74110426114
oct1201123170
9381235163
10168076920
1186969750
12483568a0
1328a8abcb
1418472744
15eb50880
hexa04a678

168076920 has 64 divisors (see below), whose sum is σ = 550074240. Its totient is φ = 40745600.

The previous prime is 168076913. The next prime is 168076921. The reversal of 168076920 is 29670861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168076921) 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, 62346 + ... + 64985.

It is an arithmetic number, because the mean of its divisors is an integer number (8594910).

Almost surely, 2168076920 is an apocalyptic number.

168076920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168076920 is an abundant number, since it is smaller than the sum of its proper divisors (381997320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168076920 is a wasteful number, since it uses less digits than its factorization.

168076920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127356 (or 127352 counting only the distinct ones).

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

The square root of 168076920 is about 12964.4483106687. The cubic root of 168076920 is about 551.8690353031.

The spelling of 168076920 in words is "one hundred sixty-eight million, seventy-six thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 33 40 44 55 60 66 88 110 120 132 165 220 264 330 440 660 1320 127331 254662 381993 509324 636655 763986 1018648 1273310 1400641 1527972 1909965 2546620 2801282 3055944 3819930 4201923 5093240 5602564 7003205 7639860 8403846 11205128 14006410 15279720 16807692 21009615 28012820 33615384 42019230 56025640 84038460 168076920