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3920879542 = 21987986633
BaseRepresentation
bin1110100110110011…
…1101111110110110
3101010020211022120211
43221230331332312
531012221121132
61445022020034
7166106632456
oct35154757666
911106738524
103920879542
111732263918
1291511761a
134a640b788
14292a39d66
1517e347147
hexe9b3dfb6

3920879542 has 8 divisors (see below), whose sum is σ = 5884285176. Its totient is φ = 1959451152.

The previous prime is 3920879533. The next prime is 3920879549. The reversal of 3920879542 is 2459780293.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3920879549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 489343 + ... + 497290.

It is an arithmetic number, because the mean of its divisors is an integer number (735535647).

Almost surely, 23920879542 is an apocalyptic number.

3920879542 is a deficient number, since it is larger than the sum of its proper divisors (1963405634).

3920879542 is a wasteful number, since it uses less digits than its factorization.

3920879542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988622.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 3920879542 is about 62616.9269606869. The cubic root of 3920879542 is about 1576.8649502682.

The spelling of 3920879542 in words is "three billion, nine hundred twenty million, eight hundred seventy-nine thousand, five hundred forty-two".

Divisors: 1 2 1987 3974 986633 1973266 1960439771 3920879542