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1490973 = 31145181
BaseRepresentation
bin101101100000000011101
32210202020020
411230000131
5340202343
651542353
715446601
oct5540035
92722206
101490973
11929210
125ba9b9
13402843
142ab501
151e6b83
hex16c01d

1490973 has 8 divisors (see below), whose sum is σ = 2168736. Its totient is φ = 903600.

The previous prime is 1490969. The next prime is 1490999. The reversal of 1490973 is 3790941.

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

It is not a de Polignac number, because 1490973 - 22 = 1490969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 45181 = 1490973 / (1 + 4 + 9 + 0 + 9 + 7 + 3).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22558 + ... + 22623.

It is an arithmetic number, because the mean of its divisors is an integer number (271092).

21490973 is an apocalyptic number.

It is an amenable number.

1490973 is a deficient number, since it is larger than the sum of its proper divisors (677763).

1490973 is a wasteful number, since it uses less digits than its factorization.

1490973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45195.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 1490973 is about 1221.0540528576. The cubic root of 1490973 is about 114.2413323949.

Subtracting 1490973 from its reverse (3790941), we obtain a cube (2299968 = 1323).

The spelling of 1490973 in words is "one million, four hundred ninety thousand, nine hundred seventy-three".

Divisors: 1 3 11 33 45181 135543 496991 1490973