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1190442 = 2311171061
BaseRepresentation
bin100100010101000101010
32020110222110
410202220222
5301043232
641303150
713055451
oct4425052
92213873
101190442
11743440
12494ab6
13328b06
1422db98
15187acc
hex122a2a

1190442 has 32 divisors (see below), whose sum is σ = 2752704. Its totient is φ = 339200.

The previous prime is 1190429. The next prime is 1190447. The reversal of 1190442 is 2440911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1190447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 592 + ... + 1652.

It is an arithmetic number, because the mean of its divisors is an integer number (86022).

21190442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1190442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1376352).

1190442 is an abundant number, since it is smaller than the sum of its proper divisors (1562262).

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

1190442 is a wasteful number, since it uses less digits than its factorization.

1190442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1190442 is about 1091.0737830229. The cubic root of 1190442 is about 105.9829686651.

The spelling of 1190442 in words is "one million, one hundred ninety thousand, four hundred forty-two".

Divisors: 1 2 3 6 11 17 22 33 34 51 66 102 187 374 561 1061 1122 2122 3183 6366 11671 18037 23342 35013 36074 54111 70026 108222 198407 396814 595221 1190442