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1113041440 = 25577113997
BaseRepresentation
bin100001001010111…
…1010101000100000
32212120101100211001
41002111322220200
54234414311230
6302240201344
736403460530
oct10225725040
92776340731
101113041440
11521312565
12270909254
13149798a04
14a7b754c0
1567ab00ca
hex4257aa20

1113041440 has 96 divisors (see below), whose sum is σ = 3047756544. Its totient is φ = 376212480.

The previous prime is 1113041411. The next prime is 1113041471. The reversal of 1113041440 is 441403111.

It is a super-2 number, since 2×11130414402 = 2477722494314547200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72522 + ... + 86518.

It is an arithmetic number, because the mean of its divisors is an integer number (31747464).

Almost surely, 21113041440 is an apocalyptic number.

1113041440 is a gapful number since it is divisible by the number (10) 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 1113041440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1523878272).

1113041440 is an abundant number, since it is smaller than the sum of its proper divisors (1934715104).

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

1113041440 is a wasteful number, since it uses less digits than its factorization.

1113041440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14090 (or 14082 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1113041440 is about 33362.2757017563. The cubic root of 1113041440 is about 1036.3436197110.

Adding to 1113041440 its reverse (441403111), we get a palindrome (1554444551).

The spelling of 1113041440 in words is "one billion, one hundred thirteen million, forty-one thousand, four hundred forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 71 80 112 140 142 160 224 280 284 355 497 560 568 710 994 1120 1136 1420 1988 2272 2485 2840 3976 4970 5680 7952 9940 11360 13997 15904 19880 27994 39760 55988 69985 79520 97979 111976 139970 195958 223952 279940 391916 447904 489895 559880 783832 979790 993787 1119760 1567664 1959580 1987574 2239520 3135328 3919160 3975148 4968935 6956509 7838320 7950296 9937870 13913018 15676640 15900592 19875740 27826036 31801184 34782545 39751480 55652072 69565090 79502960 111304144 139130180 159005920 222608288 278260360 556520720 1113041440