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343004025 = 352713291733
BaseRepresentation
bin10100011100011…
…101001101111001
3212220102102001210
4110130131031321
51200302112100
654011433333
711333325510
oct2434351571
9786372053
10343004025
11166687001
1296a55849
13560a6a80
14337a9677
15201a5c50
hex1471d379

343004025 has 96 divisors (see below), whose sum is σ = 722453760. Its totient is φ = 139668480.

The previous prime is 343004009. The next prime is 343004027. The reversal of 343004025 is 520400343.

It is a happy number.

It is not a de Polignac number, because 343004025 - 24 = 343004009 is a prime.

It is a super-2 number, since 2×3430040252 = 235303522332401250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 343003992 and 343004010.

It is not an unprimeable number, because it can be changed into a prime (343004027) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 197059 + ... + 198791.

It is an arithmetic number, because the mean of its divisors is an integer number (7525560).

Almost surely, 2343004025 is an apocalyptic number.

343004025 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

343004025 is an abundant number, since it is smaller than the sum of its proper divisors (379449735).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

343004025 is a wasteful number, since it uses less digits than its factorization.

343004025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1795 (or 1790 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 343004025 is about 18520.3678419193. The cubic root of 343004025 is about 700.0027380845.

Adding to 343004025 its reverse (520400343), we get a palindrome (863404368).

The spelling of 343004025 in words is "three hundred forty-three million, four thousand, twenty-five".

Divisors: 1 3 5 7 13 15 21 25 29 35 39 65 75 87 91 105 145 175 195 203 273 325 377 435 455 525 609 725 975 1015 1131 1365 1733 1885 2175 2275 2639 3045 5075 5199 5655 6825 7917 8665 9425 12131 13195 15225 22529 25995 28275 36393 39585 43325 50257 60655 65975 67587 112645 129975 150771 157703 181965 197925 251285 303275 337935 351799 473109 563225 653341 753855 788515 909825 1055397 1256425 1689675 1758995 1960023 2365545 3266705 3769275 3942575 4573387 5276985 8794975 9800115 11827725 13720161 16333525 22866935 26384925 49000575 68600805 114334675 343004025