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638006314 = 21129000287
BaseRepresentation
bin100110000001110…
…011010000101010
31122110112002010111
4212001303100222
52301312200224
6143150404534
721544651501
oct4601632052
91573462114
10638006314
112a8157650
1215980074a
13a2244b3a
1460a3b838
153b028d94
hex2607342a

638006314 has 8 divisors (see below), whose sum is σ = 1044010368. Its totient is φ = 290002860.

The previous prime is 638006261. The next prime is 638006333. The reversal of 638006314 is 413600836.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 14500122 + ... + 14500165.

It is an arithmetic number, because the mean of its divisors is an integer number (130501296).

Almost surely, 2638006314 is an apocalyptic number.

638006314 is a deficient number, since it is larger than the sum of its proper divisors (406004054).

638006314 is a wasteful number, since it uses less digits than its factorization.

638006314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29000300.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 638006314 is about 25258.7868671478. The cubic root of 638006314 is about 860.8780980701.

The spelling of 638006314 in words is "six hundred thirty-eight million, six thousand, three hundred fourteen".

Divisors: 1 2 11 22 29000287 58000574 319003157 638006314