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4025779247 = 75382113217
BaseRepresentation
bin1110111111110100…
…1000010000101111
3101101120012202221002
43233331020100233
531221044413442
61503250230515
7201522362510
oct35775102057
911346182832
104025779247
1117864a1596
1294428543b
134c20794c9
142a2944a07
15188668732
hexeff4842f

4025779247 has 16 divisors (see below), whose sum is σ = 4693764672. Its totient is φ = 3381181440.

The previous prime is 4025779243. The next prime is 4025779267. The reversal of 4025779247 is 7429775204.

It is a happy number.

4025779247 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4025779247 - 22 = 4025779243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4025779243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297983 + ... + 311199.

It is an arithmetic number, because the mean of its divisors is an integer number (293360292).

Almost surely, 24025779247 is an apocalyptic number.

4025779247 is a deficient number, since it is larger than the sum of its proper divisors (667985425).

4025779247 is a wasteful number, since it uses less digits than its factorization.

4025779247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14098.

The product of its (nonzero) digits is 987840, while the sum is 47.

The square root of 4025779247 is about 63449.0287317308. The cubic root of 4025779247 is about 1590.8039191088.

The spelling of 4025779247 in words is "four billion, twenty-five million, seven hundred seventy-nine thousand, two hundred forty-seven".

Divisors: 1 7 53 371 821 5747 13217 43513 92519 304591 700501 4903507 10851157 75958099 575111321 4025779247