Search a number
-
+
354342449 = 683518803
BaseRepresentation
bin10101000111101…
…101011000110001
3220200202110110102
4111013231120301
51211202424244
655054442145
711531601236
oct2507553061
9820673412
10354342449
111720207aa
129a803355
13585468b6
14350bb78d
152119554e
hex151ed631

354342449 has 4 divisors (see below), whose sum is σ = 354861936. Its totient is φ = 353822964.

The previous prime is 354342409. The next prime is 354342481. The reversal of 354342449 is 944243453.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 354342449 - 28 = 354342193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354342409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258719 + ... + 260084.

It is an arithmetic number, because the mean of its divisors is an integer number (88715484).

Almost surely, 2354342449 is an apocalyptic number.

It is an amenable number.

354342449 is a deficient number, since it is larger than the sum of its proper divisors (519487).

354342449 is an equidigital number, since it uses as much as digits as its factorization.

354342449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519486.

The product of its digits is 207360, while the sum is 38.

The square root of 354342449 is about 18823.9860019072. The cubic root of 354342449 is about 707.6324292720.

The spelling of 354342449 in words is "three hundred fifty-four million, three hundred forty-two thousand, four hundred forty-nine".

Divisors: 1 683 518803 354342449