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201490860 = 223510930809
BaseRepresentation
bin11000000001010…
…00000110101100
3112001010210111110
430000220012230
5403040201420
631554352020
74664433624
oct1400500654
9461123443
10201490860
11a381107a
125758b610
1332989a7c
141ca8d884
1512a50ee0
hexc0281ac

201490860 has 48 divisors (see below), whose sum is σ = 569368800. Its totient is φ = 53236224.

The previous prime is 201490853. The next prime is 201490873. The reversal of 201490860 is 68094102.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8865 + ... + 21944.

It is an arithmetic number, because the mean of its divisors is an integer number (11861850).

Almost surely, 2201490860 is an apocalyptic number.

201490860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201490860 is an abundant number, since it is smaller than the sum of its proper divisors (367877940).

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

201490860 is a wasteful number, since it uses less digits than its factorization.

201490860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30930 (or 30928 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 201490860 is about 14194.7476201587. The cubic root of 201490860 is about 586.2530522676.

The spelling of 201490860 in words is "two hundred one million, four hundred ninety thousand, eight hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 109 218 327 436 545 654 1090 1308 1635 2180 3270 6540 30809 61618 92427 123236 154045 184854 308090 369708 462135 616180 924270 1848540 3358181 6716362 10074543 13432724 16790905 20149086 33581810 40298172 50372715 67163620 100745430 201490860