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344312442 = 232115116619
BaseRepresentation
bin10100100001011…
…100101001111010
3212222212212212200
4110201130221322
51201120444232
654055451030
711350415235
oct2441345172
9788785780
10344312442
111673a0041
1297386a76
1356444496
1433a2a41c
152036377c
hex1485ca7a

344312442 has 24 divisors (see below), whose sum is σ = 746703360. Its totient is φ = 114664200.

The previous prime is 344312401. The next prime is 344312477. The reversal of 344312442 is 244213443.

It is a happy number.

344312442 is a `hidden beast` number, since 344 + 312 + 4 + 4 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12409 + ... + 29027.

It is an arithmetic number, because the mean of its divisors is an integer number (31112640).

Almost surely, 2344312442 is an apocalyptic number.

344312442 is an abundant number, since it is smaller than the sum of its proper divisors (402390918).

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

344312442 is a wasteful number, since it uses less digits than its factorization.

344312442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17778 (or 17775 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 344312442 is about 18555.6579511479. The cubic root of 344312442 is about 700.8916813539.

Adding to 344312442 its reverse (244213443), we get a palindrome (588525885).

The spelling of 344312442 in words is "three hundred forty-four million, three hundred twelve thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 18 1151 2302 3453 6906 10359 16619 20718 33238 49857 99714 149571 299142 19128469 38256938 57385407 114770814 172156221 344312442