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4402140140 = 2251712947471
BaseRepresentation
bin1000001100110001…
…10101001111101100
3102100210101220000102
410012120311033230
533003421441030
62004453050232
7214042400546
oct40630651754
912323356012
104402140140
111959991052
12a2a326978
13552032168
142da914696
151ab70cc45
hex1066353ec

4402140140 has 24 divisors (see below), whose sum is σ = 9788288832. Its totient is φ = 1657276160.

The previous prime is 4402140137. The next prime is 4402140203. The reversal of 4402140140 is 410412044.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 6473396 + ... + 6474075.

It is an arithmetic number, because the mean of its divisors is an integer number (407845368).

Almost surely, 24402140140 is an apocalyptic number.

It is an amenable number.

4402140140 is an abundant number, since it is smaller than the sum of its proper divisors (5386148692).

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

4402140140 is a wasteful number, since it uses less digits than its factorization.

4402140140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12947497 (or 12947495 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 4402140140 is about 66348.6257581873. The cubic root of 4402140140 is about 1638.9081742329.

Adding to 4402140140 its reverse (410412044), we get a palindrome (4812552184).

The spelling of 4402140140 in words is "four billion, four hundred two million, one hundred forty thousand, one hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 12947471 25894942 51789884 64737355 129474710 220107007 258949420 440214014 880428028 1100535035 2201070070 4402140140