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1234131140 = 225118116917
BaseRepresentation
bin100100110001111…
…0101100011000100
310012000020100122202
41021203311203010
510011414144030
6322243414032
742403640654
oct11143654304
93160210582
101234131140
115836a8aa0
122a5384318
131688b4918
14b9c96364
157352d745
hex498f58c4

1234131140 has 48 divisors (see below), whose sum is σ = 2831177664. Its totient is φ = 448156800.

The previous prime is 1234131139. The next prime is 1234131161. The reversal of 1234131140 is 411314321.

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

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, 174962 + ... + 181878.

It is an arithmetic number, because the mean of its divisors is an integer number (58982868).

Almost surely, 21234131140 is an apocalyptic number.

1234131140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1234131140 is an abundant number, since it is smaller than the sum of its proper divisors (1597046524).

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

1234131140 is a wasteful number, since it uses less digits than its factorization.

1234131140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7748 (or 7746 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1234131140 is about 35130.2026751910. The cubic root of 1234131140 is about 1072.6394614732.

Adding to 1234131140 its reverse (411314321), we get a palindrome (1645445461).

The spelling of 1234131140 in words is "one billion, two hundred thirty-four million, one hundred thirty-one thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 811 1622 3244 4055 6917 8110 8921 13834 16220 17842 27668 34585 35684 44605 69170 76087 89210 138340 152174 178420 304348 380435 760870 1521740 5609687 11219374 22438748 28048435 56096870 61706557 112193740 123413114 246826228 308532785 617065570 1234131140