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344041900 = 22523440419
BaseRepresentation
bin10100100000011…
…010100110101100
3212222101010202121
4110200122212230
51201033320100
654050002324
711345210416
oct2440324654
9788333677
10344041900
11167225854
12972763a4
135637b2b7
14339999b6
152030d51a
hex1481a9ac

344041900 has 18 divisors (see below), whose sum is σ = 746571140. Its totient is φ = 137616720.

The previous prime is 344041897. The next prime is 344041909. The reversal of 344041900 is 9140443.

It is a happy number.

It is a super-2 number, since 2×3440419002 = 236729657911220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (344041909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1720110 + ... + 1720309.

Almost surely, 2344041900 is an apocalyptic number.

It is an amenable number.

344041900 is an abundant number, since it is smaller than the sum of its proper divisors (402529240).

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

344041900 is a wasteful number, since it uses less digits than its factorization.

344041900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3440433 (or 3440426 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 344041900 is about 18548.3665048974. The cubic root of 344041900 is about 700.7080590578.

The spelling of 344041900 in words is "three hundred forty-four million, forty-one thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 3440419 6880838 13761676 17202095 34404190 68808380 86010475 172020950 344041900