Search a number
-
+
270320390 = 25191141529
BaseRepresentation
bin10000000111001…
…100001100000110
3200211122200212022
4100013030030012
51023200223030
642453523142
76461454044
oct2007141406
9624580768
10270320390
1112965278a
12766434b2
13440088c2
1427c89394
1518ae9de5
hex101cc306

270320390 has 16 divisors (see below), whose sum is σ = 489127680. Its totient is φ = 107561280.

The previous prime is 270320363. The next prime is 270320431. The reversal of 270320390 is 93023072.

It is a super-2 number, since 2×2703203902 = 146146226499504200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68855 + ... + 72674.

It is an arithmetic number, because the mean of its divisors is an integer number (30570480).

Almost surely, 2270320390 is an apocalyptic number.

270320390 is a deficient number, since it is larger than the sum of its proper divisors (218807290).

270320390 is a wasteful number, since it uses less digits than its factorization.

270320390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141727.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 270320390 is about 16441.4229919432. The cubic root of 270320390 is about 646.5859575587.

The spelling of 270320390 in words is "two hundred seventy million, three hundred twenty thousand, three hundred ninety".

Divisors: 1 2 5 10 191 382 955 1910 141529 283058 707645 1415290 27032039 54064078 135160195 270320390