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350442731 = 536612127
BaseRepresentation
bin10100111000110…
…101010011101011
3220102102100001102
4110320311103223
51204203131411
654435112015
711453466632
oct2470652353
9812370042
10350442731
1116a8a78a1
129944260b
13577ac882
1434784519
1520b74d3b
hex14e354eb

350442731 has 4 divisors (see below), whose sum is σ = 357054912. Its totient is φ = 343830552.

The previous prime is 350442727. The next prime is 350442737. The reversal of 350442731 is 137244053.

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 350442731 - 22 = 350442727 is a prime.

It is a super-2 number, since 2×3504427312 = 245620215421476722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 350442694 and 350442703.

It is not an unprimeable number, because it can be changed into a prime (350442737) 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, 3306011 + ... + 3306116.

It is an arithmetic number, because the mean of its divisors is an integer number (89263728).

Almost surely, 2350442731 is an apocalyptic number.

350442731 is a deficient number, since it is larger than the sum of its proper divisors (6612181).

350442731 is an equidigital number, since it uses as much as digits as its factorization.

350442731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6612180.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 350442731 is about 18720.1156780614. The cubic root of 350442731 is about 705.0268963466.

Adding to 350442731 its reverse (137244053), we get a palindrome (487686784).

The spelling of 350442731 in words is "three hundred fifty million, four hundred forty-two thousand, seven hundred thirty-one".

Divisors: 1 53 6612127 350442731