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344441290 = 25137251417
BaseRepresentation
bin10100100001111…
…100000111001010
3220000010102121211
4110201330013022
51201134110130
654102323334
711351463004
oct2441740712
9800112554
10344441290
11167478926
129742954a
135648b01b
1433a61374
152038ba2a
hex1487c1ca

344441290 has 16 divisors (see below), whose sum is σ = 624522312. Its totient is φ = 136770304.

The previous prime is 344441269. The next prime is 344441299. The reversal of 344441290 is 92144443.

It can be written as a sum of positive squares in 4 ways, for example, as 316021729 + 28419561 = 17777^2 + 5331^2 .

It is a super-3 number, since 3×3444412903 (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (344441299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124339 + ... + 127078.

Almost surely, 2344441290 is an apocalyptic number.

344441290 is a deficient number, since it is larger than the sum of its proper divisors (280081022).

344441290 is a wasteful number, since it uses less digits than its factorization.

344441290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251561.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 344441290 is about 18559.1295593301. The cubic root of 344441290 is about 700.9790992701.

The spelling of 344441290 in words is "three hundred forty-four million, four hundred forty-one thousand, two hundred ninety".

Divisors: 1 2 5 10 137 274 685 1370 251417 502834 1257085 2514170 34444129 68888258 172220645 344441290