Search a number
-
+
1112015540 = 225266320879
BaseRepresentation
bin100001001001000…
…0000001010110100
32212111110020112202
41002102000022310
54234133444130
6302202204032
736361655546
oct10222001264
92774406482
101112015540
11520781809
122704b3618
131494c9a7c
14a7989696
156795b145
hex424802b4

1112015540 has 24 divisors (see below), whose sum is σ = 2336221440. Its totient is φ = 444617888.

The previous prime is 1112015537. The next prime is 1112015557. The reversal of 1112015540 is 455102111.

It is a super-2 number, since 2×11120155402 = 2473157122402983200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42821 + ... + 63699.

It is an arithmetic number, because the mean of its divisors is an integer number (97342560).

Almost surely, 21112015540 is an apocalyptic number.

1112015540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112015540 is an abundant number, since it is smaller than the sum of its proper divisors (1224205900).

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

1112015540 is a wasteful number, since it uses less digits than its factorization.

1112015540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23551 (or 23549 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 1112015540 is about 33346.8970070680. The cubic root of 1112015540 is about 1036.0251195193.

Adding to 1112015540 its reverse (455102111), we get a palindrome (1567117651).

The spelling of 1112015540 in words is "one billion, one hundred twelve million, fifteen thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 2663 5326 10652 13315 20879 26630 41758 53260 83516 104395 208790 417580 55600777 111201554 222403108 278003885 556007770 1112015540