Search a number
-
+
338350720 = 275528673
BaseRepresentation
bin10100001010101…
…101001010000000
3212120122222221011
4110022231022000
51143104210340
653324010304
711245635151
oct2412551200
9776588834
10338350720
11163a989a4
1295390994
1355137a36
1432d17928
151ea870ea
hex142ad280

338350720 has 32 divisors (see below), whose sum is σ = 808871220. Its totient is φ = 135340032.

The previous prime is 338350669. The next prime is 338350763. The reversal of 338350720 is 27053833.

It can be written as a sum of positive squares in 2 ways, for example, as 307791936 + 30558784 = 17544^2 + 5528^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×3383507202 = 228962419449036800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263697 + ... + 264976.

Almost surely, 2338350720 is an apocalyptic number.

It is an amenable number.

338350720 is an abundant number, since it is smaller than the sum of its proper divisors (470520500).

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

338350720 is an equidigital number, since it uses as much as digits as its factorization.

338350720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528692 (or 528680 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 338350720 is about 18394.3121643621. The cubic root of 338350720 is about 696.8228256836.

The spelling of 338350720 in words is "three hundred thirty-eight million, three hundred fifty thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 528673 1057346 2114692 2643365 4229384 5286730 8458768 10573460 16917536 21146920 33835072 42293840 67670144 84587680 169175360 338350720