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349525477 = 7219736209
BaseRepresentation
bin10100110101010…
…101010111100101
3220100200201211001
4110311111113211
51203434303402
654403313301
711442626500
oct2465252745
9810621731
10349525477
1116a330734
129907b831
135754b212
14345c6137
1520a43187
hex14d555e5

349525477 has 12 divisors (see below), whose sum is σ = 408666060. Its totient is φ = 298064256.

The previous prime is 349525469. The next prime is 349525481. The reversal of 349525477 is 774525943.

It can be written as a sum of positive squares in 2 ways, for example, as 223771681 + 125753796 = 14959^2 + 11214^2 .

It is not a de Polignac number, because 349525477 - 23 = 349525469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349525427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8452 + ... + 27757.

It is an arithmetic number, because the mean of its divisors is an integer number (34055505).

Almost surely, 2349525477 is an apocalyptic number.

It is an amenable number.

349525477 is a deficient number, since it is larger than the sum of its proper divisors (59140583).

349525477 is a wasteful number, since it uses less digits than its factorization.

349525477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36420 (or 36413 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 46.

The square root of 349525477 is about 18695.6004717688. The cubic root of 349525477 is about 704.4112429431.

The spelling of 349525477 in words is "three hundred forty-nine million, five hundred twenty-five thousand, four hundred seventy-seven".

Divisors: 1 7 49 197 1379 9653 36209 253463 1774241 7133173 49932211 349525477