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2140240004 = 22776437143
BaseRepresentation
bin111111110010001…
…0111100010000100
312112011020110100022
41333210113202010
513340400140004
6552212434312
7104015511530
oct17744274204
95464213308
102140240004
119a9122aa1
124b8918998
13281539a06
14164362bc0
15c7d652be
hex7f917884

2140240004 has 12 divisors (see below), whose sum is σ = 4280480064. Its totient is φ = 917245704.

The previous prime is 2140239979. The next prime is 2140240021. The reversal of 2140240004 is 4000420412.

2140240004 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38218544 + ... + 38218599.

It is an arithmetic number, because the mean of its divisors is an integer number (356706672).

Almost surely, 22140240004 is an apocalyptic number.

It is an amenable number.

2140240004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2140240004 is a wasteful number, since it uses less digits than its factorization.

2140240004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76437154 (or 76437152 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 2140240004 is about 46262.7280215942. The cubic root of 2140240004 is about 1288.7069157027.

Adding to 2140240004 its reverse (4000420412), we get a palindrome (6140660416).

The spelling of 2140240004 in words is "two billion, one hundred forty million, two hundred forty thousand, four".

Divisors: 1 2 4 7 14 28 76437143 152874286 305748572 535060001 1070120002 2140240004