Search a number
-
+
11790045 = 3251272063
BaseRepresentation
bin101100111110…
…011011011101
3211011222220100
4230332123131
511004240140
61100411313
7202133211
oct54763335
924158810
1011790045
116723043
123b46b39
13259a577
1417cc941
15107d530
hexb3e6dd

11790045 has 24 divisors (see below), whose sum is σ = 20606976. Its totient is φ = 6235488.

The previous prime is 11790043. The next prime is 11790049. The reversal of 11790045 is 54009711.

It is not a de Polignac number, because 11790045 - 21 = 11790043 is a prime.

It is a super-2 number, since 2×117900452 = 278010322204050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11790043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4684 + ... + 6746.

It is an arithmetic number, because the mean of its divisors is an integer number (858624).

Almost surely, 211790045 is an apocalyptic number.

11790045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11790045 is a deficient number, since it is larger than the sum of its proper divisors (8816931).

11790045 is a wasteful number, since it uses less digits than its factorization.

11790045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2201 (or 2198 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 11790045 is about 3433.6634954521. The cubic root of 11790045 is about 227.5997710758.

Adding to 11790045 its reverse (54009711), we get a palindrome (65799756).

The spelling of 11790045 in words is "eleven million, seven hundred ninety thousand, forty-five".

Divisors: 1 3 5 9 15 45 127 381 635 1143 1905 2063 5715 6189 10315 18567 30945 92835 262001 786003 1310005 2358009 3930015 11790045