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3034021640 = 235135834657
BaseRepresentation
bin1011010011010111…
…0111111100001000
321211110001021020212
42310311313330020
522203202143030
61221021340252
7135120521066
oct26465677410
97743037225
103034021640
111317698401
12708107688
13394766ba0
1420ad41036
1512b564595
hexb4d77f08

3034021640 has 32 divisors (see below), whose sum is σ = 7351669080. Its totient is φ = 1120253952.

The previous prime is 3034021619. The next prime is 3034021643. The reversal of 3034021640 is 461204303.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2044667524 + 989354116 = 45218^2 + 31454^2 .

It is not an unprimeable number, because it can be changed into a prime (3034021643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2916809 + ... + 2917848.

Almost surely, 23034021640 is an apocalyptic number.

It is an amenable number.

3034021640 is an abundant number, since it is smaller than the sum of its proper divisors (4317647440).

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

3034021640 is a wasteful number, since it uses less digits than its factorization.

3034021640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5834681 (or 5834677 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 3034021640 is about 55081.9538506034. The cubic root of 3034021640 is about 1447.6810559395.

Adding to 3034021640 its reverse (461204303), we get a palindrome (3495225943).

The spelling of 3034021640 in words is "three billion, thirty-four million, twenty-one thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 5834657 11669314 23338628 29173285 46677256 58346570 75850541 116693140 151701082 233386280 303402164 379252705 606804328 758505410 1517010820 3034021640