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353042013 = 31374311993
BaseRepresentation
bin10101000010101…
…111111001011101
3220121022101121010
4111002233321131
51210334321023
655010525433
711514544002
oct2502577135
9817271533
10353042013
11171312765
129a296879
13581ac9cc
1434c5d8a9
1520eda093
hex150afe5d

353042013 has 16 divisors (see below), whose sum is σ = 475497216. Its totient is φ = 232984320.

The previous prime is 353042003. The next prime is 353042057. The reversal of 353042013 is 310240353.

It is a de Polignac number, because none of the positive numbers 2k-353042013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (353042003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176145 + ... + 178137.

It is an arithmetic number, because the mean of its divisors is an integer number (29718576).

Almost surely, 2353042013 is an apocalyptic number.

It is an amenable number.

353042013 is a deficient number, since it is larger than the sum of its proper divisors (122455203).

353042013 is a wasteful number, since it uses less digits than its factorization.

353042013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2564.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 353042013 is about 18789.4122579712. The cubic root of 353042013 is about 706.7656982914.

Adding to 353042013 its reverse (310240353), we get a palindrome (663282366).

The spelling of 353042013 in words is "three hundred fifty-three million, forty-two thousand, thirteen".

Divisors: 1 3 137 411 431 1293 1993 5979 59047 177141 273041 819123 858983 2576949 117680671 353042013