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354242015 = 570848403
BaseRepresentation
bin10101000111010…
…100110111011111
3220200120100200122
4111013110313133
51211141221030
655052345155
711531002361
oct2507246737
9820510618
10354242015
11171a622a6
129a7751bb
135850cc7a
1435092d31
15211758e5
hex151d4ddf

354242015 has 4 divisors (see below), whose sum is σ = 425090424. Its totient is φ = 283393608.

The previous prime is 354241997. The next prime is 354242017. The reversal of 354242015 is 510242453.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 354242015 - 220 = 353193439 is a prime.

It is a super-3 number, since 3×3542420153 (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354242017) 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, 35424197 + ... + 35424206.

It is an arithmetic number, because the mean of its divisors is an integer number (106272606).

Almost surely, 2354242015 is an apocalyptic number.

354242015 is a deficient number, since it is larger than the sum of its proper divisors (70848409).

354242015 is an equidigital number, since it uses as much as digits as its factorization.

354242015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70848408.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 354242015 is about 18821.3180994318. The cubic root of 354242015 is about 707.5655663909.

Adding to 354242015 its reverse (510242453), we get a palindrome (864484468).

The spelling of 354242015 in words is "three hundred fifty-four million, two hundred forty-two thousand, fifteen".

Divisors: 1 5 70848403 354242015