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345370725 = 325271712899
BaseRepresentation
bin10100100101011…
…111000001100101
3220001212122120100
4110211133001211
51201403330400
654134254313
711362413510
oct2445370145
9801778510
10345370725
11167a53157
12977b7399
135672509b
1433c23d77
15204c2100
hex1495f065

345370725 has 72 divisors (see below), whose sum is σ = 748612800. Its totient is φ = 148584960.

The previous prime is 345370709. The next prime is 345370769. The reversal of 345370725 is 527073543.

It is not a de Polignac number, because 345370725 - 24 = 345370709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 345370725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 20326 + ... + 33224.

It is an arithmetic number, because the mean of its divisors is an integer number (10397400).

Almost surely, 2345370725 is an apocalyptic number.

345370725 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

345370725 is an abundant number, since it is smaller than the sum of its proper divisors (403242075).

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

345370725 is a wasteful number, since it uses less digits than its factorization.

345370725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12939 (or 12931 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 36.

The square root of 345370725 is about 18584.1525230504. The cubic root of 345370725 is about 701.6090366913.

The spelling of 345370725 in words is "three hundred forty-five million, three hundred seventy thousand, seven hundred twenty-five".

Divisors: 1 3 5 7 9 15 17 21 25 35 45 51 63 75 85 105 119 153 175 225 255 315 357 425 525 595 765 1071 1275 1575 1785 2975 3825 5355 8925 12899 26775 38697 64495 90293 116091 193485 219283 270879 322475 451465 580455 657849 812637 967425 1096415 1354395 1534981 1973547 2257325 2902275 3289245 4063185 4604943 5482075 6771975 7674905 9867735 13814829 16446225 20315925 23024715 38374525 49338675 69074145 115123575 345370725