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3028861442 = 22967777137
BaseRepresentation
bin1011010010001000…
…1100001000000010
321211002100002210102
42310202030020002
522200342031232
61220315002402
7135025616555
oct26442141002
97732302712
103028861442
111314793482
12706439402
1339367b209
1420a39a69c
1512ad95662
hexb488c202

3028861442 has 16 divisors (see below), whose sum is σ = 4706960760. Its totient is φ = 1460030208.

The previous prime is 3028861397. The next prime is 3028861447. The reversal of 3028861442 is 2441688203.

It can be written as a sum of positive squares in 4 ways, for example, as 2836734121 + 192127321 = 53261^2 + 13861^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3028861396 and 3028861405.

It is not an unprimeable number, because it can be changed into a prime (3028861447) 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, 698 + ... + 77834.

Almost surely, 23028861442 is an apocalyptic number.

3028861442 is a deficient number, since it is larger than the sum of its proper divisors (1678099318).

3028861442 is a wasteful number, since it uses less digits than its factorization.

3028861442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77845.

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 3028861442 is about 55035.0928226709. The cubic root of 3028861442 is about 1446.8598620586.

The spelling of 3028861442 in words is "three billion, twenty-eight million, eight hundred sixty-one thousand, four hundred forty-two".

Divisors: 1 2 29 58 677 1354 19633 39266 77137 154274 2236973 4473946 52221749 104443498 1514430721 3028861442