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2059405 = 52231847
BaseRepresentation
bin111110110110010001101
310212121222021
413312302031
51011400110
6112050141
723335045
oct7666215
93777867
102059405
111187297
12833951
135714aa
143b8725
152aa2da
hex1f6c8d

2059405 has 8 divisors (see below), whose sum is σ = 2483712. Its totient is φ = 1639248.

The previous prime is 2059381. The next prime is 2059411. The reversal of 2059405 is 5049502.

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

It is a cyclic number.

It is not a de Polignac number, because 2059405 - 29 = 2058893 is a prime.

It is a super-2 number, since 2×20594052 = 8482297908050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2059405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192 + ... + 2038.

It is an arithmetic number, because the mean of its divisors is an integer number (310464).

22059405 is an apocalyptic number.

It is an amenable number.

2059405 is a deficient number, since it is larger than the sum of its proper divisors (424307).

2059405 is a wasteful number, since it uses less digits than its factorization.

2059405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2075.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 2059405 is about 1435.0627163995. The cubic root of 2059405 is about 127.2273811089.

It can be divided in two parts, 20 and 59405, that multiplied together give a square (1188100 = 10902).

The spelling of 2059405 in words is "two million, fifty-nine thousand, four hundred five".

Divisors: 1 5 223 1115 1847 9235 411881 2059405