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3420469 = 131072459
BaseRepresentation
bin1101000011000100110101
320102210000001
431003010311
51333423334
6201151301
741034133
oct15030465
96383001
103420469
111a26938
12118b531
13929b60
14650753
15478714
hex343135

3420469 has 8 divisors (see below), whose sum is σ = 3719520. Its totient is φ = 3126576.

The previous prime is 3420457. The next prime is 3420481. The reversal of 3420469 is 9640243.

It is an interprime number because it is at equal distance from previous prime (3420457) and next prime (3420481).

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 3420469 - 27 = 3420341 is a prime.

It is a super-2 number, since 2×34204692 = 23399216359922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162 + ... + 2620.

It is an arithmetic number, because the mean of its divisors is an integer number (464940).

Almost surely, 23420469 is an apocalyptic number.

It is an amenable number.

3420469 is a deficient number, since it is larger than the sum of its proper divisors (299051).

3420469 is a wasteful number, since it uses less digits than its factorization.

3420469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2579.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 3420469 is about 1849.4509996212. The cubic root of 3420469 is about 150.6706122086.

Adding to 3420469 its product of nonzero digits (5184), we get a triangular number (3425653 = T2617).

It can be divided in two parts, 34 and 20469, that added together give a triangular number (20503 = T202).

The spelling of 3420469 in words is "three million, four hundred twenty thousand, four hundred sixty-nine".

Divisors: 1 13 107 1391 2459 31967 263113 3420469