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3028729632 = 25347671261
BaseRepresentation
bin1011010010000110…
…1011111100100000
321211002002101222120
42310201223330200
522200323322012
61220312104240
7135024530355
oct26441537440
97732071876
103028729632
111314703445
12706395080
13393633216
1420a36462c
1512ad6b58c
hexb486bf20

3028729632 has 48 divisors (see below), whose sum is σ = 8119585152. Its totient is φ = 988094720.

The previous prime is 3028729619. The next prime is 3028729633. The reversal of 3028729632 is 2369278203.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (3028729633) 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, 331119 + ... + 340142.

It is an arithmetic number, because the mean of its divisors is an integer number (169158024).

Almost surely, 23028729632 is an apocalyptic number.

3028729632 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3028729632 is an abundant number, since it is smaller than the sum of its proper divisors (5090855520).

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

3028729632 is a wasteful number, since it uses less digits than its factorization.

3028729632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671321 (or 671313 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 3028729632 is about 55033.8953009870. The cubic root of 3028729632 is about 1446.8388736038.

The spelling of 3028729632 in words is "three billion, twenty-eight million, seven hundred twenty-nine thousand, six hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 47 48 94 96 141 188 282 376 564 752 1128 1504 2256 4512 671261 1342522 2013783 2685044 4027566 5370088 8055132 10740176 16110264 21480352 31549267 32220528 63098534 64441056 94647801 126197068 189295602 252394136 378591204 504788272 757182408 1009576544 1514364816 3028729632