Search a number
-
+
448965690 = 23579189437
BaseRepresentation
bin11010110000101…
…010110000111010
31011021210211010220
4122300222300322
51404413400230
6112314520510
714061100605
oct3260526072
91137724126
10448965690
1121047a628
12106436136
1372026c94
14438ad33c
1529636d10
hex1ac2ac3a

448965690 has 32 divisors (see below), whose sum is σ = 1091162880. Its totient is φ = 118208064.

The previous prime is 448965679. The next prime is 448965707. The reversal of 448965690 is 96569844.

It is a super-2 number, since 2×4489656902 = 403140381594352200, which contains 22 as substring.

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, 92349 + ... + 97088.

It is an arithmetic number, because the mean of its divisors is an integer number (34098840).

Almost surely, 2448965690 is an apocalyptic number.

448965690 is an abundant number, since it is smaller than the sum of its proper divisors (642197190).

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

448965690 is a wasteful number, since it uses less digits than its factorization.

448965690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189526.

The product of its (nonzero) digits is 1866240, while the sum is 51.

The square root of 448965690 is about 21188.8104904452. The cubic root of 448965690 is about 765.7218697701.

The spelling of 448965690 in words is "four hundred forty-eight million, nine hundred sixty-five thousand, six hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 79 158 237 395 474 790 1185 2370 189437 378874 568311 947185 1136622 1894370 2841555 5683110 14965523 29931046 44896569 74827615 89793138 149655230 224482845 448965690