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1190056 = 23779269
BaseRepresentation
bin100100010100010101000
32020110110011
410202202220
5301040211
641301304
713054360
oct4424250
92213404
101190056
1174311a
12494834
1332889a
1422d9a0
15187921
hex1228a8

1190056 has 32 divisors (see below), whose sum is σ = 2592000. Its totient is φ = 501696.

The previous prime is 1190047. The next prime is 1190069. The reversal of 1190056 is 6500911.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4290 + ... + 4558.

It is an arithmetic number, because the mean of its divisors is an integer number (81000).

21190056 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 1190056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1296000).

1190056 is an abundant number, since it is smaller than the sum of its proper divisors (1401944).

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

1190056 is a wasteful number, since it uses less digits than its factorization.

1190056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361 (or 357 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 1190056 is about 1090.8968787195. The cubic root of 1190056 is about 105.9715124586.

Adding to 1190056 its reverse (6500911), we get a palindrome (7690967).

The spelling of 1190056 in words is "one million, one hundred ninety thousand, fifty-six".

Divisors: 1 2 4 7 8 14 28 56 79 158 269 316 538 553 632 1076 1106 1883 2152 2212 3766 4424 7532 15064 21251 42502 85004 148757 170008 297514 595028 1190056