Search a number
-
+
354320144 = 2429763621
BaseRepresentation
bin10101000111100…
…111111100010000
3220200201022212022
4111013213330100
51211201221034
655054151012
711531446223
oct2507477420
9820638768
10354320144
11172005a72
129a7b2468
13585396b9
14350b35ba
152118db2e
hex151e7f10

354320144 has 20 divisors (see below), whose sum is σ = 710168460. Its totient is φ = 171050880.

The previous prime is 354320119. The next prime is 354320149. The reversal of 354320144 is 441023453.

It can be written as a sum of positive squares in 2 ways, for example, as 79423744 + 274896400 = 8912^2 + 16580^2 .

It is not an unprimeable number, because it can be changed into a prime (354320149) 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, 381347 + ... + 382274.

It is an arithmetic number, because the mean of its divisors is an integer number (35508423).

Almost surely, 2354320144 is an apocalyptic number.

It is an amenable number.

354320144 is an abundant number, since it is smaller than the sum of its proper divisors (355848316).

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

354320144 is a wasteful number, since it uses less digits than its factorization.

354320144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763658 (or 763652 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 354320144 is about 18823.3935303919. The cubic root of 354320144 is about 707.6175810439.

Adding to 354320144 its reverse (441023453), we get a palindrome (795343597).

The spelling of 354320144 in words is "three hundred fifty-four million, three hundred twenty thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 29 58 116 232 464 763621 1527242 3054484 6108968 12217936 22145009 44290018 88580036 177160072 354320144