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168227340 = 22357935491
BaseRepresentation
bin10100000011011…
…11001000001100
3102201112211112020
422001233020030
5321031233330
624405410140
74111623501
oct1201571014
9381484466
10168227340
1186a61766
1248409950
1328b11508
14184b14a8
15eb80210
hexa06f20c

168227340 has 48 divisors (see below), whose sum is σ = 477012480. Its totient is φ = 44291520.

The previous prime is 168227333. The next prime is 168227341. The reversal of 168227340 is 43722861.

It is not an unprimeable number, because it can be changed into a prime (168227341) 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, 13006 + ... + 22485.

It is an arithmetic number, because the mean of its divisors is an integer number (9937760).

Almost surely, 2168227340 is an apocalyptic number.

168227340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168227340 is an abundant number, since it is smaller than the sum of its proper divisors (308785140).

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

168227340 is a wasteful number, since it uses less digits than its factorization.

168227340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35582 (or 35580 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 168227340 is about 12970.2482628514. The cubic root of 168227340 is about 552.0336174653.

The spelling of 168227340 in words is "one hundred sixty-eight million, two hundred twenty-seven thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 79 158 237 316 395 474 790 948 1185 1580 2370 4740 35491 70982 106473 141964 177455 212946 354910 425892 532365 709820 1064730 2129460 2803789 5607578 8411367 11215156 14018945 16822734 28037890 33645468 42056835 56075780 84113670 168227340