Search a number
-
+
1807328634 = 23301221439
BaseRepresentation
bin110101110111001…
…1010010101111010
311122221210210210120
41223232122111322
512200134004014
6455201154110
762534016456
oct15356322572
94587723716
101807328634
1184820a831
1242532b936
1322a587a37
14132063666
15a8a04ba9
hex6bb9a57a

1807328634 has 8 divisors (see below), whose sum is σ = 3614657280. Its totient is φ = 602442876.

The previous prime is 1807328617. The next prime is 1807328639. The reversal of 1807328634 is 4368237081.

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

1807328634 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1807328639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150610714 + ... + 150610725.

It is an arithmetic number, because the mean of its divisors is an integer number (451832160).

Almost surely, 21807328634 is an apocalyptic number.

1807328634 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1807328634 is a wasteful number, since it uses less digits than its factorization.

1807328634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301221444.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 1807328634 is about 42512.6879178440. The cubic root of 1807328634 is about 1218.0890611400.

The spelling of 1807328634 in words is "one billion, eight hundred seven million, three hundred twenty-eight thousand, six hundred thirty-four".

Divisors: 1 2 3 6 301221439 602442878 903664317 1807328634