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4390001 = 71127173
BaseRepresentation
bin10000101111110001110001
322021000221122
4100233301301
52110440001
6234032025
752212560
oct20576161
98230848
104390001
112529300
121578615
13ba9245
14823bd7
155bab1b
hex42fc71

4390001 has 24 divisors (see below), whose sum is σ = 5668992. Its totient is φ = 3326400.

The previous prime is 4389997. The next prime is 4390021. The reversal of 4390001 is 1000934.

It is not a de Polignac number, because 4390001 - 22 = 4389997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4390021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60101 + ... + 60173.

It is an arithmetic number, because the mean of its divisors is an integer number (236208).

Almost surely, 24390001 is an apocalyptic number.

It is an amenable number.

4390001 is a deficient number, since it is larger than the sum of its proper divisors (1278991).

4390001 is a wasteful number, since it uses less digits than its factorization.

4390001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 4390001 is about 2095.2329226127. The cubic root of 4390001 is about 163.7400328024.

Adding to 4390001 its reverse (1000934), we get a palindrome (5390935).

The spelling of 4390001 in words is "four million, three hundred ninety thousand, one".

Divisors: 1 7 11 71 73 77 121 497 511 781 803 847 5183 5467 5621 8591 8833 36281 57013 60137 61831 399091 627143 4390001