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4286643945 = 35285776263
BaseRepresentation
bin1111111110000000…
…1111111011101001
3102001202002002000120
43333200033323221
532234340101240
61545205353453
7211140605133
oct37740177351
912052062016
104286643945
1118aa776051
129b7708889
1353412420c
142c944c053
151a14e6ad0
hexff80fee9

4286643945 has 8 divisors (see below), whose sum is σ = 6858630336. Its totient is φ = 2286210096.

The previous prime is 4286643943. The next prime is 4286643953. The reversal of 4286643945 is 5493466824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4286643945 - 21 = 4286643943 is a prime.

It is a super-2 number, since 2×42866439452 = 36750632622410326050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4286643943) 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, 142888117 + ... + 142888146.

It is an arithmetic number, because the mean of its divisors is an integer number (857328792).

Almost surely, 24286643945 is an apocalyptic number.

It is an amenable number.

4286643945 is a deficient number, since it is larger than the sum of its proper divisors (2571986391).

4286643945 is a wasteful number, since it uses less digits than its factorization.

4286643945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285776271.

The product of its digits is 4976640, while the sum is 51.

The square root of 4286643945 is about 65472.4670758633. The cubic root of 4286643945 is about 1624.4479633343.

The spelling of 4286643945 in words is "four billion, two hundred eighty-six million, six hundred forty-three thousand, nine hundred forty-five".

Divisors: 1 3 5 15 285776263 857328789 1428881315 4286643945