Search a number
-
+
1941490 = 25194149
BaseRepresentation
bin111011001111111110010
310122122020001
413121333302
5444111430
6105340214
722334215
oct7317762
93578201
101941490
111106741
1279766a
1352c915
1438777c
152853ca
hex1d9ff2

1941490 has 8 divisors (see below), whose sum is σ = 3494700. Its totient is φ = 776592.

The previous prime is 1941481. The next prime is 1941491. The reversal of 1941490 is 941491.

It can be written as a sum of positive squares in 2 ways, for example, as 1585081 + 356409 = 1259^2 + 597^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1941491) 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, 97065 + ... + 97084.

21941490 is an apocalyptic number.

1941490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1941490 is a deficient number, since it is larger than the sum of its proper divisors (1553210).

1941490 is a wasteful number, since it uses less digits than its factorization.

1941490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194156.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1941490 is about 1393.3736038838. The cubic root of 1941490 is about 124.7512921501.

Subtracting from 1941490 its reverse (941491), we obtain a palindrome (999999).

The spelling of 1941490 in words is "one million, nine hundred forty-one thousand, four hundred ninety".

Divisors: 1 2 5 10 194149 388298 970745 1941490