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194898860 = 225133124181
BaseRepresentation
bin10111001110111…
…10101110101100
3111120201212222022
423213132232230
5344343230420
631201205312
74554420152
oct1347365654
9446655868
10194898860
11a0019442
1255330838
13314bc490
141bc553d2
151219cc25
hexb9debac

194898860 has 48 divisors (see below), whose sum is σ = 455008512. Its totient is φ = 69638400.

The previous prime is 194898797. The next prime is 194898877. The reversal of 194898860 is 68898491.

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, 4031 + ... + 20150.

It is an arithmetic number, because the mean of its divisors is an integer number (9479344).

Almost surely, 2194898860 is an apocalyptic number.

194898860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

194898860 is an abundant number, since it is smaller than the sum of its proper divisors (260109652).

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

194898860 is a wasteful number, since it uses less digits than its factorization.

194898860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24234 (or 24232 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 53.

The square root of 194898860 is about 13960.6181811552. The cubic root of 194898860 is about 579.7887260618.

The spelling of 194898860 in words is "one hundred ninety-four million, eight hundred ninety-eight thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 13 20 26 31 52 62 65 124 130 155 260 310 403 620 806 1612 2015 4030 8060 24181 48362 96724 120905 241810 314353 483620 628706 749611 1257412 1499222 1571765 2998444 3143530 3748055 6287060 7496110 9744943 14992220 19489886 38979772 48724715 97449430 194898860