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201889080 = 23325560803
BaseRepresentation
bin11000000100010…
…01010100111000
3112001220000202100
430002021110320
5403140422310
632011103400
75001012621
oct1402112470
9461800670
10201889080
11a3a63288
1257741b60
1332a990c3
141cb54a48
1512acdec0
hexc089538

201889080 has 48 divisors (see below), whose sum is σ = 656140680. Its totient is φ = 53836992.

The previous prime is 201889067. The next prime is 201889151. The reversal of 201889080 is 80988102.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 280042 + ... + 280761.

Almost surely, 2201889080 is an apocalyptic number.

201889080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201889080 is an abundant number, since it is smaller than the sum of its proper divisors (454251600).

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

201889080 is a wasteful number, since it uses less digits than its factorization.

201889080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560820 (or 560813 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 201889080 is about 14208.7677157451. The cubic root of 201889080 is about 586.6390152830.

The spelling of 201889080 in words is "two hundred one million, eight hundred eighty-nine thousand, eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 560803 1121606 1682409 2243212 2804015 3364818 4486424 5047227 5608030 6729636 8412045 10094454 11216060 13459272 16824090 20188908 22432120 25236135 33648180 40377816 50472270 67296360 100944540 201889080