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4420131 = 33739821
BaseRepresentation
bin10000110111001000100011
322022120021120
4100313020203
52112421011
6234423323
752366452
oct20671043
98276246
104420131
112549a01
121591b43
13bb9b81
14830b99
155c4a06
hex437223

4420131 has 8 divisors (see below), whose sum is σ = 6052944. Its totient is φ = 2867040.

The previous prime is 4420127. The next prime is 4420139. The reversal of 4420131 is 1310244.

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

It is not a de Polignac number, because 4420131 - 22 = 4420127 is a prime.

It is a super-2 number, since 2×44201312 = 39075116114322, which contains 22 as substring.

4420131 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4420131.

It is not an unprimeable number, because it can be changed into a prime (4420139) 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, 19800 + ... + 20021.

It is an arithmetic number, because the mean of its divisors is an integer number (756618).

Almost surely, 24420131 is an apocalyptic number.

4420131 is a deficient number, since it is larger than the sum of its proper divisors (1632813).

4420131 is a wasteful number, since it uses less digits than its factorization.

4420131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39861.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 4420131 is about 2102.4107591049. The cubic root of 4420131 is about 164.1137793627.

Adding to 4420131 its reverse (1310244), we get a palindrome (5730375).

The spelling of 4420131 in words is "four million, four hundred twenty thousand, one hundred thirty-one".

Divisors: 1 3 37 111 39821 119463 1473377 4420131