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345742460 = 22572519839
BaseRepresentation
bin10100100110111…
…001110001111100
3220002120112111022
4110212321301330
51202002224320
654150243312
711365522340
oct2446716174
9802515438
10345742460
11168187478
1297956538
135682534b
1433cbd620
1520547325
hex149b9c7c

345742460 has 48 divisors (see below), whose sum is σ = 833172480. Its totient is φ = 118056000.

The previous prime is 345742433. The next prime is 345742471. The reversal of 345742460 is 64247543.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 345742460.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30221 + ... + 40059.

It is an arithmetic number, because the mean of its divisors is an integer number (17357760).

Almost surely, 2345742460 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345742460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (416586240).

345742460 is an abundant number, since it is smaller than the sum of its proper divisors (487430020).

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

345742460 is a wasteful number, since it uses less digits than its factorization.

345742460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10106 (or 10104 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 35.

The square root of 345742460 is about 18594.1512309651. The cubic root of 345742460 is about 701.8606688248.

The spelling of 345742460 in words is "three hundred forty-five million, seven hundred forty-two thousand, four hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 251 502 1004 1255 1757 2510 3514 5020 7028 8785 9839 17570 19678 35140 39356 49195 68873 98390 137746 196780 275492 344365 688730 1377460 2469589 4939178 9878356 12347945 17287123 24695890 34574246 49391780 69148492 86435615 172871230 345742460