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4028979 = 32358391
BaseRepresentation
bin1111010111101000110011
321120200201110
433113220303
52012411404
6222204403
746150203
oct17275063
97520643
104028979
112302039
121423703
13ab0b16
1476c403
15548b89
hex3d7a33

4028979 has 8 divisors (see below), whose sum is σ = 5605632. Its totient is φ = 2569160.

The previous prime is 4028963. The next prime is 4028987. The reversal of 4028979 is 9798204.

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

It is a cyclic number.

It is not a de Polignac number, because 4028979 - 24 = 4028963 is a prime.

4028979 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4028929) 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, 29127 + ... + 29264.

It is an arithmetic number, because the mean of its divisors is an integer number (700704).

Almost surely, 24028979 is an apocalyptic number.

4028979 is a deficient number, since it is larger than the sum of its proper divisors (1576653).

4028979 is a wasteful number, since it uses less digits than its factorization.

4028979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58417.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 4028979 is about 2007.2316757166. The cubic root of 4028979 is about 159.1225272865.

The spelling of 4028979 in words is "four million, twenty-eight thousand, nine hundred seventy-nine".

Divisors: 1 3 23 69 58391 175173 1342993 4028979