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344500990 = 25122928031
BaseRepresentation
bin10100100010001…
…010101011111110
3220000020110111221
4110202022223332
51201143012430
654103503554
711352132031
oct2442125376
9800213457
10344500990
11167509769
1297457bba
13564ac252
1433a79018
152039e57a
hex1488aafe

344500990 has 16 divisors (see below), whose sum is σ = 620628480. Its totient is φ = 137683360.

The previous prime is 344500979. The next prime is 344500991. The reversal of 344500990 is 99005443.

It is a super-2 number, since 2×3445009902 = 237361864221960200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344500991) 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, 1726 + ... + 26305.

It is an arithmetic number, because the mean of its divisors is an integer number (38789280).

Almost surely, 2344500990 is an apocalyptic number.

344500990 is a deficient number, since it is larger than the sum of its proper divisors (276127490).

344500990 is a wasteful number, since it uses less digits than its factorization.

344500990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29267.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 344500990 is about 18560.7378624881. The cubic root of 344500990 is about 701.0195958036.

The spelling of 344500990 in words is "three hundred forty-four million, five hundred thousand, nine hundred ninety".

Divisors: 1 2 5 10 1229 2458 6145 12290 28031 56062 140155 280310 34450099 68900198 172250495 344500990