Search a number
-
+
1900472498 = 22413942889
BaseRepresentation
bin111000101000110…
…1110100010110010
311220110002000011022
41301101232202302
512343010104443
6512325415442
765044515101
oct16121564262
94813060138
101900472498
11895849131
1245056a582
1324396a952
1414058c038
15b1ca2e68
hex7146e8b2

1900472498 has 8 divisors (see below), whose sum is σ = 2862538140. Its totient is φ = 946293120.

The previous prime is 1900472491. The next prime is 1900472503. The reversal of 1900472498 is 8942740091.

It can be written as a sum of positive squares in 2 ways, for example, as 1880696689 + 19775809 = 43367^2 + 4447^2 .

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

It is a super-2 number, since 2×19004724982 = 7223591431308720008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1900472491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1970963 + ... + 1971926.

Almost surely, 21900472498 is an apocalyptic number.

1900472498 is a deficient number, since it is larger than the sum of its proper divisors (962065642).

1900472498 is a wasteful number, since it uses less digits than its factorization.

1900472498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3943132.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 1900472498 is about 43594.4090222588. The cubic root of 1900472498 is about 1238.6649909844.

The spelling of 1900472498 in words is "one billion, nine hundred million, four hundred seventy-two thousand, four hundred ninety-eight".

Divisors: 1 2 241 482 3942889 7885778 950236249 1900472498