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4202839 = 6168899
BaseRepresentation
bin10000000010000101010111
321220112012201
4100002011113
52033442324
6230025331
750503114
oct20020527
97815181
104202839
112410723
1214a8247
13b41cb4
147b590b
15580444
hex402157

4202839 has 4 divisors (see below), whose sum is σ = 4271800. Its totient is φ = 4133880.

The previous prime is 4202827. The next prime is 4202851. The reversal of 4202839 is 9382024.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (4202827) and next prime (4202851).

It is a cyclic number.

It is not a de Polignac number, because 4202839 - 29 = 4202327 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 (4202899) 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, 34389 + ... + 34510.

It is an arithmetic number, because the mean of its divisors is an integer number (1067950).

Almost surely, 24202839 is an apocalyptic number.

4202839 is a deficient number, since it is larger than the sum of its proper divisors (68961).

4202839 is an equidigital number, since it uses as much as digits as its factorization.

4202839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68960.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 4202839 is about 2050.0826812595. The cubic root of 4202839 is about 161.3792097790.

It can be divided in two parts, 4202 and 839, that added together give a square (5041 = 712).

The spelling of 4202839 in words is "four million, two hundred two thousand, eight hundred thirty-nine".

Divisors: 1 61 68899 4202839