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4405250028 = 2234727132879
BaseRepresentation
bin1000001101001001…
…01100011111101100
3102101000020212222110
410012210230133230
533010221000103
62005043444020
7214111002354
oct40644543754
912330225873
104405250028
111960715603
12a2b386610
1355288082a
142db0c3b64
151abb24403
hex10692c7ec

4405250028 has 48 divisors (see below), whose sum is σ = 10505134080. Its totient is φ = 1436145024.

The previous prime is 4405250023. The next prime is 4405250039. The reversal of 4405250028 is 8200525044.

It is a junction number, because it is equal to n+sod(n) for n = 4405249977 and 4405250004.

It is not an unprimeable number, because it can be changed into a prime (4405250021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1528693 + ... + 1531571.

It is an arithmetic number, because the mean of its divisors is an integer number (218856960).

Almost surely, 24405250028 is an apocalyptic number.

It is an amenable number.

4405250028 is an abundant number, since it is smaller than the sum of its proper divisors (6099884052).

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

4405250028 is a wasteful number, since it uses less digits than its factorization.

4405250028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5646 (or 5644 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 4405250028 is about 66372.0575844986. The cubic root of 4405250028 is about 1639.2940184631.

The spelling of 4405250028 in words is "four billion, four hundred five million, two hundred fifty thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 47 94 141 188 282 564 2713 2879 5426 5758 8139 8637 10852 11516 16278 17274 32556 34548 127511 135313 255022 270626 382533 405939 510044 541252 765066 811878 1530132 1623756 7810727 15621454 23432181 31242908 46864362 93728724 367104169 734208338 1101312507 1468416676 2202625014 4405250028