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1113200144 = 24722943403
BaseRepresentation
bin100001001011010…
…0001011000010000
32212120200102111222
41002112201120100
54234434401034
6302243424212
736405021320
oct10226413020
92776612458
101113200144
11521410821
12270985068
13149823014
14a7bb7280
1567ae212e
hex425a1610

1113200144 has 40 divisors (see below), whose sum is σ = 2475764160. Its totient is φ = 474991488.

The previous prime is 1113200129. The next prime is 1113200149. The reversal of 1113200144 is 4410023111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1113200149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3947 + ... + 47349.

It is an arithmetic number, because the mean of its divisors is an integer number (61894104).

Almost surely, 21113200144 is an apocalyptic number.

1113200144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1113200144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1237882080).

1113200144 is an abundant number, since it is smaller than the sum of its proper divisors (1362564016).

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

1113200144 is a wasteful number, since it uses less digits than its factorization.

1113200144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43647 (or 43641 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1113200144 is about 33364.6541117992. The cubic root of 1113200144 is about 1036.3928733612.

Adding to 1113200144 its reverse (4410023111), we get a palindrome (5523223255).

The spelling of 1113200144 in words is "one billion, one hundred thirteen million, two hundred thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 16 28 56 112 229 458 916 1603 1832 3206 3664 6412 12824 25648 43403 86806 173612 303821 347224 607642 694448 1215284 2430568 4861136 9939287 19878574 39757148 69575009 79514296 139150018 159028592 278300036 556600072 1113200144