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2042431140 = 2235291173811
BaseRepresentation
bin111100110111101…
…0000011010100100
312021100012020210210
41321233100122210
513140330244030
6534400215420
7101420243511
oct17157203244
95240166723
102042431140
11958998822
1249000a570
132671b2649
14155382308
15be494bb0
hex79bd06a4

2042431140 has 48 divisors (see below), whose sum is σ = 5916012480. Its totient is φ = 525866880.

The previous prime is 2042431133. The next prime is 2042431141. The reversal of 2042431140 is 411342402.

It is not an unprimeable number, because it can be changed into a prime (2042431141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 585166 + ... + 588645.

It is an arithmetic number, because the mean of its divisors is an integer number (123250260).

Almost surely, 22042431140 is an apocalyptic number.

2042431140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2042431140 is an abundant number, since it is smaller than the sum of its proper divisors (3873581340).

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

2042431140 is a wasteful number, since it uses less digits than its factorization.

2042431140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173852 (or 1173850 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2042431140 is about 45193.2643211353. The cubic root of 2042431140 is about 1268.7687531828.

Adding to 2042431140 its reverse (411342402), we get a palindrome (2453773542).

The spelling of 2042431140 in words is "two billion, forty-two million, four hundred thirty-one thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 29 30 58 60 87 116 145 174 290 348 435 580 870 1740 1173811 2347622 3521433 4695244 5869055 7042866 11738110 14085732 17607165 23476220 34040519 35214330 68081038 70428660 102121557 136162076 170202595 204243114 340405190 408486228 510607785 680810380 1021215570 2042431140