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6145140 = 2235236173
BaseRepresentation
bin10111011100010001110100
3102120012112210
4113130101310
53033121030
6335413420
7103142601
oct27342164
912505483
106145140
113517a31
122084270
1313720a1
14b5d6a8
15815bb0
hex5dc474

6145140 has 96 divisors (see below), whose sum is σ = 18498816. Its totient is φ = 1520640.

The previous prime is 6145123. The next prime is 6145159. The reversal of 6145140 is 415416.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84144 + ... + 84216.

It is an arithmetic number, because the mean of its divisors is an integer number (192696).

Almost surely, 26145140 is an apocalyptic number.

6145140 is a gapful number since it is divisible by the number (60) 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 6145140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9249408).

6145140 is an abundant number, since it is smaller than the sum of its proper divisors (12353676).

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

6145140 is a wasteful number, since it uses less digits than its factorization.

6145140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 6145140 is about 2478.9392892929. The cubic root of 6145140 is about 183.1656060093.

The spelling of 6145140 in words is "six million, one hundred forty-five thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 23 30 46 60 61 69 73 92 115 122 138 146 183 219 230 244 276 292 305 345 365 366 438 460 610 690 730 732 876 915 1095 1220 1380 1403 1460 1679 1830 2190 2806 3358 3660 4209 4380 4453 5037 5612 6716 7015 8395 8418 8906 10074 13359 14030 16790 16836 17812 20148 21045 22265 25185 26718 28060 33580 42090 44530 50370 53436 66795 84180 89060 100740 102419 133590 204838 267180 307257 409676 512095 614514 1024190 1229028 1536285 2048380 3072570 6145140