Search a number
-
+
342758490 = 23516197057
BaseRepresentation
bin10100011011100…
…001010001011010
3212212221221020220
4110123201101122
51200221232430
654002300510
711331253614
oct2433412132
9785857226
10342758490
11166529588
1296957736
135601c099
1433743db4
1520158110
hex146e145a

342758490 has 32 divisors (see below), whose sum is σ = 823245120. Its totient is φ = 91332864.

The previous prime is 342758467. The next prime is 342758501. The reversal of 342758490 is 94857243.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 45042 + ... + 52098.

It is an arithmetic number, because the mean of its divisors is an integer number (25726410).

Almost surely, 2342758490 is an apocalyptic number.

342758490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

342758490 is an abundant number, since it is smaller than the sum of its proper divisors (480486630).

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

342758490 is a wasteful number, since it uses less digits than its factorization.

342758490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8686.

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 342758490 is about 18513.7378721856. The cubic root of 342758490 is about 699.8356689079.

The spelling of 342758490 in words is "three hundred forty-two million, seven hundred fifty-eight thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 1619 3238 4857 7057 8095 9714 14114 16190 21171 24285 35285 42342 48570 70570 105855 211710 11425283 22850566 34275849 57126415 68551698 114252830 171379245 342758490