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1830168 = 233337229
BaseRepresentation
bin110111110110100011000
310102222112000
412332310120
5432031133
6103121000
721361524
oct6766430
93388460
101830168
11104003a
12743160
134c1052
14358d84
15262413
hex1bed18

1830168 has 64 divisors (see below), whose sum is σ = 5244000. Its totient is φ = 590976.

The previous prime is 1830163. The next prime is 1830181. The reversal of 1830168 is 8610381.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1830163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7878 + ... + 8106.

21830168 is an apocalyptic number.

1830168 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1830168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2622000).

1830168 is an abundant number, since it is smaller than the sum of its proper divisors (3413832).

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

1830168 is a wasteful number, since it uses less digits than its factorization.

1830168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1830168 is about 1352.8370190086. The cubic root of 1830168 is about 122.3198629617.

The spelling of 1830168 in words is "one million, eight hundred thirty thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 37 54 72 74 108 111 148 216 222 229 296 333 444 458 666 687 888 916 999 1332 1374 1832 1998 2061 2664 2748 3996 4122 5496 6183 7992 8244 8473 12366 16488 16946 24732 25419 33892 49464 50838 67784 76257 101676 152514 203352 228771 305028 457542 610056 915084 1830168