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3005253028 = 221959670217
BaseRepresentation
bin1011001100100000…
…1000010110100100
321202102220200010201
42303020020112210
522123321044103
61214113000244
7134321141431
oct26310102644
97672820121
103005253028
111302429098
126ba553084
1338b80353b
142071b2b88
15128c8051d
hexb32085a4

3005253028 has 24 divisors (see below), whose sum is σ = 5629831200. Its totient is φ = 1399411008.

The previous prime is 3005253001. The next prime is 3005253029. The reversal of 3005253028 is 8203525003.

It is a super-3 number, since 3×30052530283 (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3005252987 and 3005253005.

It is not an unprimeable number, because it can be changed into a prime (3005253029) 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, 330625 + ... + 339592.

It is an arithmetic number, because the mean of its divisors is an integer number (234576300).

Almost surely, 23005253028 is an apocalyptic number.

3005253028 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

3005253028 is a deficient number, since it is larger than the sum of its proper divisors (2624578172).

3005253028 is a wasteful number, since it uses less digits than its factorization.

3005253028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670299 (or 670297 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 3005253028 is about 54820.1881426906. The cubic root of 3005253028 is about 1443.0908769393.

The spelling of 3005253028 in words is "three billion, five million, two hundred fifty-three thousand, twenty-eight".

Divisors: 1 2 4 19 38 59 76 118 236 1121 2242 4484 670217 1340434 2680868 12734123 25468246 39542803 50936492 79085606 158171212 751313257 1502626514 3005253028