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3405975 = 35245413
BaseRepresentation
bin1100111111100010010111
320102001010020
430333202113
51332442400
6201000223
740643646
oct14774227
96361106
103405975
111a16a61
121183073
13923391
1464935d
154742a0
hex33f897

3405975 has 12 divisors (see below), whose sum is σ = 5631336. Its totient is φ = 1816480.

The previous prime is 3405973. The next prime is 3405979. The reversal of 3405975 is 5795043.

It is not a de Polignac number, because 3405975 - 21 = 3405973 is a prime.

3405975 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3405973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22632 + ... + 22781.

It is an arithmetic number, because the mean of its divisors is an integer number (469278).

Almost surely, 23405975 is an apocalyptic number.

3405975 is a deficient number, since it is larger than the sum of its proper divisors (2225361).

3405975 is a wasteful number, since it uses less digits than its factorization.

3405975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45426 (or 45421 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 3405975 is about 1845.5283796247. The cubic root of 3405975 is about 150.4574921433.

The spelling of 3405975 in words is "three million, four hundred five thousand, nine hundred seventy-five".

Divisors: 1 3 5 15 25 75 45413 136239 227065 681195 1135325 3405975