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349170480 = 243351737257
BaseRepresentation
bin10100110011111…
…110101100110000
3220100000200212000
4110303332230300
51203341423410
654351534000
711436620511
oct2463765460
9810020760
10349170480
1116a108a4a
1298b2a300
1357455769
1434532a08
15209c2dc0
hex14cfeb30

349170480 has 320 divisors, whose sum is σ = 1312951680. Its totient is φ = 84934656.

The previous prime is 349170457. The next prime is 349170487. The reversal of 349170480 is 84071943.

It is a happy number.

349170480 is a `hidden beast` number, since 3 + 4 + 9 + 170 + 480 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (349170487) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1358512 + ... + 1358768.

It is an arithmetic number, because the mean of its divisors is an integer number (4102974).

Almost surely, 2349170480 is an apocalyptic number.

349170480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 349170480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (656475840).

349170480 is an abundant number, since it is smaller than the sum of its proper divisors (963781200).

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

349170480 is a wasteful number, since it uses less digits than its factorization.

349170480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333 (or 321 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 349170480 is about 18686.1039277855. The cubic root of 349170480 is about 704.1726827600.

The spelling of 349170480 in words is "three hundred forty-nine million, one hundred seventy thousand, four hundred eighty".