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351430121 = 7532813371
BaseRepresentation
bin10100111100100…
…110010111101001
3220111021111111102
4110330212113221
51204431230441
654512211145
711465051420
oct2474462751
9814244442
10351430121
11170411719
1299839ab5
1357a67123
14349602b7
1520cbc69b
hex14f265e9

351430121 has 16 divisors (see below), whose sum is σ = 410790528. Its totient is φ = 294403200.

The previous prime is 351430111. The next prime is 351430169. The reversal of 351430121 is 121034153.

It is not a de Polignac number, because 351430121 - 210 = 351429097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 351430093 and 351430102.

It is not an unprimeable number, because it can be changed into a prime (351430111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102566 + ... + 105936.

It is an arithmetic number, because the mean of its divisors is an integer number (25674408).

Almost surely, 2351430121 is an apocalyptic number.

It is an amenable number.

351430121 is a deficient number, since it is larger than the sum of its proper divisors (59360407).

351430121 is a wasteful number, since it uses less digits than its factorization.

351430121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3712.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 351430121 is about 18746.4695609600. The cubic root of 351430121 is about 705.6884250047.

Adding to 351430121 its reverse (121034153), we get a palindrome (472464274).

The spelling of 351430121 in words is "three hundred fifty-one million, four hundred thirty thousand, one hundred twenty-one".

Divisors: 1 7 53 281 371 1967 3371 14893 23597 104251 178663 947251 1250641 6630757 50204303 351430121