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4207942 = 217235381
BaseRepresentation
bin10000000011010101000110
321220210012201
4100003111012
52034123232
6230105114
750524024
oct20032506
97823181
104207942
112414542
1214ab19a
13b4440b
147b7714
15581be7
hex403546

4207942 has 16 divisors (see below), whose sum is σ = 6975072. Its totient is φ = 1893760.

The previous prime is 4207933. The next prime is 4207943. The reversal of 4207942 is 2497024.

It is a self number, because there is not a number n which added to its sum of digits gives 4207942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4207943) 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, 1909 + ... + 3472.

It is an arithmetic number, because the mean of its divisors is an integer number (435942).

Almost surely, 24207942 is an apocalyptic number.

4207942 is a deficient number, since it is larger than the sum of its proper divisors (2767130).

4207942 is a wasteful number, since it uses less digits than its factorization.

4207942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5423.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 4207942 is about 2051.3268876510. The cubic root of 4207942 is about 161.4444977928. Note that the first 4 decimals are identical.

The spelling of 4207942 in words is "four million, two hundred seven thousand, nine hundred forty-two".

Divisors: 1 2 17 23 34 46 391 782 5381 10762 91477 123763 182954 247526 2103971 4207942