Search a number
-
+
1240088 = 23379409
BaseRepresentation
bin100101110110000011000
32100000002012
410232300120
5304140323
642325052
713353263
oct4566030
92300065
101240088
11777773
124b9788
133455a5
14243cda
15197678
hex12ec18

1240088 has 16 divisors (see below), whose sum is σ = 2337000. Its totient is φ = 616896.

The previous prime is 1240087. The next prime is 1240097. The reversal of 1240088 is 8800421.

It is an Ulam number.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2828 + ... + 3236.

21240088 is an apocalyptic number.

It is an amenable number.

1240088 is a deficient number, since it is larger than the sum of its proper divisors (1096912).

1240088 is a wasteful number, since it uses less digits than its factorization.

1240088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794 (or 790 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 1240088 is about 1113.5923850314. The cubic root of 1240088 is about 107.4362484813.

The spelling of 1240088 in words is "one million, two hundred forty thousand, eighty-eight".

Divisors: 1 2 4 8 379 409 758 818 1516 1636 3032 3272 155011 310022 620044 1240088