Search a number
-
+
450632380 = 225112048329
BaseRepresentation
bin11010110111000…
…001101010111100
31011101221111102011
4122313001222330
51410330214010
6112414341004
714111212012
oct3267015274
91141844364
10450632380
11211408860
12106aba764
137248b7a3
1443bc48b2
1529865a8a
hex1adc1abc

450632380 has 24 divisors (see below), whose sum is σ = 1032358320. Its totient is φ = 163866240.

The previous prime is 450632359. The next prime is 450632411. The reversal of 450632380 is 83236054.

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, 1023945 + ... + 1024384.

It is an arithmetic number, because the mean of its divisors is an integer number (43014930).

Almost surely, 2450632380 is an apocalyptic number.

It is an amenable number.

450632380 is an abundant number, since it is smaller than the sum of its proper divisors (581725940).

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

450632380 is a wasteful number, since it uses less digits than its factorization.

450632380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2048349 (or 2048347 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 450632380 is about 21228.1035422385. The cubic root of 450632380 is about 766.6682264198.

The spelling of 450632380 in words is "four hundred fifty million, six hundred thirty-two thousand, three hundred eighty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 2048329 4096658 8193316 10241645 20483290 22531619 40966580 45063238 90126476 112658095 225316190 450632380