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2742002140 = 225103212923
BaseRepresentation
bin1010001101101111…
…1010000111011100
321002002120010210211
42203123322013130
521103423032030
61132030342204
7124643430223
oct24333720734
97062503724
102742002140
111187874879
1264635a964
13349101697
141c0247cba
15110ad012a
hexa36fa1dc

2742002140 has 36 divisors (see below), whose sum is σ = 5815102104. Its totient is φ = 1086068256.

The previous prime is 2742002101. The next prime is 2742002143. The reversal of 2742002140 is 412002472.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2742002143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 205719 + ... + 218641.

It is an arithmetic number, because the mean of its divisors is an integer number (161530614).

Almost surely, 22742002140 is an apocalyptic number.

2742002140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2742002140 is an abundant number, since it is smaller than the sum of its proper divisors (3073099964).

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

2742002140 is a wasteful number, since it uses less digits than its factorization.

2742002140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13138 (or 13033 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 2742002140 is about 52364.1302801832. The cubic root of 2742002140 is about 1399.6601453970.

The spelling of 2742002140 in words is "two billion, seven hundred forty-two million, two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 103 206 412 515 1030 2060 10609 12923 21218 25846 42436 51692 53045 64615 106090 129230 212180 258460 1331069 2662138 5324276 6655345 13310690 26621380 137100107 274200214 548400428 685500535 1371001070 2742002140