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194628 = 22372331
BaseRepresentation
bin101111100001000100
3100212222110
4233201010
522212003
64101020
71440300
oct574104
9325873
10194628
11123255
1294770
136a785
1450d00
153ca03
hex2f844

194628 has 36 divisors (see below), whose sum is σ = 529872. Its totient is φ = 55440.

The previous prime is 194609. The next prime is 194647. The reversal of 194628 is 826491.

It is an interprime number because it is at equal distance from previous prime (194609) and next prime (194647).

It is a junction number, because it is equal to n+sod(n) for n = 194595 and 194604.

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, 423 + ... + 753.

2194628 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264936).

194628 is an abundant number, since it is smaller than the sum of its proper divisors (335244).

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

194628 is a wasteful number, since it uses less digits than its factorization.

194628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352 (or 343 counting only the distinct ones).

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

The square root of 194628 is about 441.1666351845. The cubic root of 194628 is about 57.9520015101.

The spelling of 194628 in words is "one hundred ninety-four thousand, six hundred twenty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 84 98 147 196 294 331 588 662 993 1324 1986 2317 3972 4634 6951 9268 13902 16219 27804 32438 48657 64876 97314 194628