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3438709 = 17202277
BaseRepresentation
bin1101000111100001110101
320110201000121
431013201311
51340014314
6201411541
741141251
oct15074165
96421017
103438709
111a3960a
121199bb1
13935251
14657261
1547dd24
hex347875

3438709 has 4 divisors (see below), whose sum is σ = 3641004. Its totient is φ = 3236416.

The previous prime is 3438691. The next prime is 3438713. The reversal of 3438709 is 9078343.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3132900 + 305809 = 1770^2 + 553^2 .

It is a cyclic number.

It is not a de Polignac number, because 3438709 - 213 = 3430517 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3438749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101122 + ... + 101155.

It is an arithmetic number, because the mean of its divisors is an integer number (910251).

Almost surely, 23438709 is an apocalyptic number.

It is an amenable number.

3438709 is a deficient number, since it is larger than the sum of its proper divisors (202295).

3438709 is a wasteful number, since it uses less digits than its factorization.

3438709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202294.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 3438709 is about 1854.3756361644. The cubic root of 3438709 is about 150.9379596895.

The spelling of 3438709 in words is "three million, four hundred thirty-eight thousand, seven hundred nine".

Divisors: 1 17 202277 3438709