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398525349 = 31131175591
BaseRepresentation
bin10111110000010…
…000001110100101
31000202220012000010
4113300100032211
51304010302344
6103313440433
712606260325
oct2760201645
91022805003
10398525349
11194a58aa2
12b1570119
1364746321
143acdd285
1524ec18b9
hex17c103a5

398525349 has 8 divisors (see below), whose sum is σ = 536069952. Its totient is φ = 263332160.

The previous prime is 398525341. The next prime is 398525359. The reversal of 398525349 is 943525893.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 398525349 - 23 = 398525341 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 398525298 and 398525307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398525341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 587457 + ... + 588134.

It is an arithmetic number, because the mean of its divisors is an integer number (67008744).

Almost surely, 2398525349 is an apocalyptic number.

It is an amenable number.

398525349 is a deficient number, since it is larger than the sum of its proper divisors (137544603).

398525349 is a wasteful number, since it uses less digits than its factorization.

398525349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175707.

The product of its digits is 1166400, while the sum is 48.

The square root of 398525349 is about 19963.0996841673. The cubic root of 398525349 is about 735.8997413104.

The spelling of 398525349 in words is "three hundred ninety-eight million, five hundred twenty-five thousand, three hundred forty-nine".

Divisors: 1 3 113 339 1175591 3526773 132841783 398525349