Search a number
-
+
1994474 = 21758661
BaseRepresentation
bin111100110111011101010
310202022220102
413212323222
51002310344
6110425402
722644536
oct7467352
93668812
101994474
111142529
12802262
1354aa81
1439cbc6
15295e4e
hex1e6eea

1994474 has 8 divisors (see below), whose sum is σ = 3167748. Its totient is φ = 938560.

The previous prime is 1994471. The next prime is 1994477. The reversal of 1994474 is 4744991.

It is an interprime number because it is at equal distance from previous prime (1994471) and next prime (1994477).

It can be written as a sum of positive squares in 2 ways, for example, as 1974025 + 20449 = 1405^2 + 143^2 .

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1994471) 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, 29297 + ... + 29364.

21994474 is an apocalyptic number.

1994474 is a deficient number, since it is larger than the sum of its proper divisors (1173274).

1994474 is a wasteful number, since it uses less digits than its factorization.

1994474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58680.

The product of its digits is 36288, while the sum is 38.

The square root of 1994474 is about 1412.2584749259. The cubic root of 1994474 is about 125.8759592248.

The spelling of 1994474 in words is "one million, nine hundred ninety-four thousand, four hundred seventy-four".

Divisors: 1 2 17 34 58661 117322 997237 1994474