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4243401879 = 31974445647
BaseRepresentation
bin1111110011101101…
…0010110010010111
3101221201201011001120
43330323102302113
532142302330004
61541022455023
7210104215023
oct37473226227
911851634046
104243401879
111888320702
129a5134473
13528193ab2
142c37d3383
1519c8043d9
hexfced2c97

4243401879 has 8 divisors (see below), whose sum is σ = 5955651840. Its totient is φ = 2680043256.

The previous prime is 4243401871. The next prime is 4243401881. The reversal of 4243401879 is 9781043424.

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

It is not a de Polignac number, because 4243401879 - 23 = 4243401871 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4243401879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243401871) 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, 37222767 + ... + 37222880.

It is an arithmetic number, because the mean of its divisors is an integer number (744456480).

Almost surely, 24243401879 is an apocalyptic number.

4243401879 is a deficient number, since it is larger than the sum of its proper divisors (1712249961).

4243401879 is a wasteful number, since it uses less digits than its factorization.

4243401879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74445669.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 4243401879 is about 65141.3991176118. The cubic root of 4243401879 is about 1618.9672174252.

The spelling of 4243401879 in words is "four billion, two hundred forty-three million, four hundred one thousand, eight hundred seventy-nine".

Divisors: 1 3 19 57 74445647 223336941 1414467293 4243401879