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168145080 = 23354433163
BaseRepresentation
bin10100000010110…
…11000010111000
3102201101122200120
422001123002320
5321021120310
624403533240
74111131615
oct1201330270
9381348616
10168145080
1186a05984
124838a220
1328ab2c3c
141848d50c
15eb65b70
hexa05b0b8

168145080 has 64 divisors (see below), whose sum is σ = 505733760. Its totient is φ = 44723328.

The previous prime is 168145073. The next prime is 168145121. The reversal of 168145080 is 80541861.

168145080 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 51579 + ... + 54741.

It is an arithmetic number, because the mean of its divisors is an integer number (7902090).

Almost surely, 2168145080 is an apocalyptic number.

168145080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168145080 is an abundant number, since it is smaller than the sum of its proper divisors (337588680).

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

168145080 is a wasteful number, since it uses less digits than its factorization.

168145080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3620 (or 3616 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 168145080 is about 12967.0767715781. The cubic root of 168145080 is about 551.9436247825.

The spelling of 168145080 in words is "one hundred sixty-eight million, one hundred forty-five thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 443 886 1329 1772 2215 2658 3163 3544 4430 5316 6326 6645 8860 9489 10632 12652 13290 15815 17720 18978 25304 26580 31630 37956 47445 53160 63260 75912 94890 126520 189780 379560 1401209 2802418 4203627 5604836 7006045 8407254 11209672 14012090 16814508 21018135 28024180 33629016 42036270 56048360 84072540 168145080