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3446420 = 225172321
BaseRepresentation
bin1101001001011010010100
320111002121012
431021122110
51340241140
6201511352
741202605
oct15113224
96432535
103446420
111a4438a
1211a2558
13938903
14659dac
15481265
hex349694

3446420 has 12 divisors (see below), whose sum is σ = 7237524. Its totient is φ = 1378560.

The previous prime is 3446383. The next prime is 3446437. The reversal of 3446420 is 246443.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1898884 + 1547536 = 1378^2 + 1244^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86141 + ... + 86180.

It is an arithmetic number, because the mean of its divisors is an integer number (603127).

Almost surely, 23446420 is an apocalyptic number.

It is an amenable number.

3446420 is an abundant number, since it is smaller than the sum of its proper divisors (3791104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3446420 is a wasteful number, since it uses less digits than its factorization.

3446420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172330 (or 172328 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 3446420 is about 1856.4536083619. The cubic root of 3446420 is about 151.0506971269.

Adding to 3446420 its sum of digits (23), we get a palindrome (3446443).

The spelling of 3446420 in words is "three million, four hundred forty-six thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 172321 344642 689284 861605 1723210 3446420