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4352805 = 335191697
BaseRepresentation
bin10000100110101100100101
322012010221000
4100212230211
52103242210
6233143513
751666252
oct20465445
98163830
104352805
112503366
12155ab99
13b95332
14814429
155aeac0
hex426b25

4352805 has 32 divisors (see below), whose sum is σ = 8150400. Its totient is φ = 2198016.

The previous prime is 4352801. The next prime is 4352807. The reversal of 4352805 is 5082534.

It is not a de Polignac number, because 4352805 - 22 = 4352801 is a prime.

It is a super-2 number, since 2×43528052 = 37893822736050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 43 + 37 + 57 + 221 + 87 + 0 + 57 .

It is a Curzon number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4352801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1717 + ... + 3413.

It is an arithmetic number, because the mean of its divisors is an integer number (254700).

Almost surely, 24352805 is an apocalyptic number.

4352805 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4352805 is a deficient number, since it is larger than the sum of its proper divisors (3797595).

4352805 is a wasteful number, since it uses less digits than its factorization.

4352805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1730 (or 1724 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 4352805 is about 2086.3377003736. The cubic root of 4352805 is about 163.2762700381.

It can be divided in two parts, 435 and 2805, that added together give a triangular number (3240 = T80).

The spelling of 4352805 in words is "four million, three hundred fifty-two thousand, eight hundred five".

Divisors: 1 3 5 9 15 19 27 45 57 95 135 171 285 513 855 1697 2565 5091 8485 15273 25455 32243 45819 76365 96729 161215 229095 290187 483645 870561 1450935 4352805