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4220037 = 32468893
BaseRepresentation
bin10000000110010010000101
321221101210200
4100012102011
52040020122
6230241113
750604213
oct20062205
97841720
104220037
112422638
1214b6199
13b49a83
147bbcb3
155855ac
hex406485

4220037 has 6 divisors (see below), whose sum is σ = 6095622. Its totient is φ = 2813352.

The previous prime is 4219991. The next prime is 4220039. The reversal of 4220037 is 7300224.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2461761 + 1758276 = 1569^2 + 1326^2 .

It is not a de Polignac number, because 4220037 - 27 = 4219909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4220039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 234438 + ... + 234455.

It is an arithmetic number, because the mean of its divisors is an integer number (1015937).

Almost surely, 24220037 is an apocalyptic number.

It is an amenable number.

4220037 is a deficient number, since it is larger than the sum of its proper divisors (1875585).

4220037 is a wasteful number, since it uses less digits than its factorization.

4220037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468899 (or 468896 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 4220037 is about 2054.2728640568. The cubic root of 4220037 is about 161.5990312370.

The spelling of 4220037 in words is "four million, two hundred twenty thousand, thirty-seven".

Divisors: 1 3 9 468893 1406679 4220037