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338359680 = 2734561107
BaseRepresentation
bin10100001010101…
…111010110000000
3212120200110020000
4110022233112000
51143110002210
653324120000
711246003241
oct2412572600
9776613200
10338359680
11163aa46aa
1295396000
135513bb39
1432d1acc8
151ea89ac0
hex142af580

338359680 has 320 divisors, whose sum is σ = 1239630480. Its totient is φ = 87920640.

The previous prime is 338359673. The next prime is 338359691. The reversal of 338359680 is 86953833.

It is a tau number, because it is divible by the number of its divisors (320).

It is a super-2 number, since 2×3383596802 = 228974546099404800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3162187 + ... + 3162293.

Almost surely, 2338359680 is an apocalyptic number.

338359680 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 338359680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (619815240).

338359680 is an abundant number, since it is smaller than the sum of its proper divisors (901270800).

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

338359680 is a wasteful number, since it uses less digits than its factorization.

338359680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 338359680 is about 18394.5557162982. Note that the first 3 decimals coincide. The cubic root of 338359680 is about 696.8289765767.

The spelling of 338359680 in words is "three hundred thirty-eight million, three hundred fifty-nine thousand, six hundred eighty".