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3028712425 = 521034312729
BaseRepresentation
bin1011010010000110…
…0111101111101001
321211002001112101021
42310201213233221
522200322244200
61220311452441
7135024426244
oct26441475751
97732045337
103028712425
1113146a1522
12706387121
1339362843b
1420a35c25b
1512ad6641a
hexb4867be9

3028712425 has 24 divisors (see below), whose sum is σ = 3802256640. Its totient is φ = 2393001600.

The previous prime is 3028712417. The next prime is 3028712429. The reversal of 3028712425 is 5242178203.

It is a happy number.

It is not a de Polignac number, because 3028712425 - 23 = 3028712417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3028712429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1108461 + ... + 1111189.

It is an arithmetic number, because the mean of its divisors is an integer number (158427360).

Almost surely, 23028712425 is an apocalyptic number.

It is an amenable number.

3028712425 is a deficient number, since it is larger than the sum of its proper divisors (773544215).

3028712425 is a wasteful number, since it uses less digits than its factorization.

3028712425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3273 (or 3268 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 3028712425 is about 55033.7389698356. The cubic root of 3028712425 is about 1446.8361336427.

The spelling of 3028712425 in words is "three billion, twenty-eight million, seven hundred twelve thousand, four hundred twenty-five".

Divisors: 1 5 25 103 431 515 2155 2575 2729 10775 13645 44393 68225 221965 281087 1109825 1176199 1405435 5880995 7027175 29404975 121148497 605742485 3028712425