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342784308 = 22371402329
BaseRepresentation
bin10100011011100…
…111100100110100
3212220000020200010
4110123213210310
51200223044213
654003020220
711331422106
oct2433474464
9786006603
10342784308
11166546a19
129696a670
135602aa69
143374d576
1520160ac3
hex146e7934

342784308 has 24 divisors (see below), whose sum is σ = 811097280. Its totient is φ = 112651840.

The previous prime is 342784307. The next prime is 342784327. The reversal of 342784308 is 803487243.

It is a super-2 number, since 2×3427843082 = 235002163622077728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342784307) 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, 200313 + ... + 202016.

It is an arithmetic number, because the mean of its divisors is an integer number (33795720).

Almost surely, 2342784308 is an apocalyptic number.

It is an amenable number.

342784308 is an abundant number, since it is smaller than the sum of its proper divisors (468312972).

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

342784308 is a wasteful number, since it uses less digits than its factorization.

342784308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402407 (or 402405 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

The square root of 342784308 is about 18514.4351250585. The cubic root of 342784308 is about 699.8532399812.

The spelling of 342784308 in words is "three hundred forty-two million, seven hundred eighty-four thousand, three hundred eight".

Divisors: 1 2 3 4 6 12 71 142 213 284 426 852 402329 804658 1206987 1609316 2413974 4827948 28565359 57130718 85696077 114261436 171392154 342784308