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1072394 = 21731541
BaseRepresentation
bin100000101110100001010
32000111001022
410011310022
5233304034
634552442
712054341
oct4056412
92014038
101072394
11672784
12438722
132b716b
141dcb58
15162b2e
hex105d0a

1072394 has 8 divisors (see below), whose sum is σ = 1703268. Its totient is φ = 504640.

The previous prime is 1072387. The next prime is 1072397. The reversal of 1072394 is 4932701.

It can be written as a sum of positive squares in 2 ways, for example, as 1026169 + 46225 = 1013^2 + 215^2 .

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

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1072397) 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, 15737 + ... + 15804.

21072394 is an apocalyptic number.

1072394 is a deficient number, since it is larger than the sum of its proper divisors (630874).

1072394 is a wasteful number, since it uses less digits than its factorization.

1072394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31560.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 1072394 is about 1035.5645803136. The cubic root of 1072394 is about 102.3571358887.

The spelling of 1072394 in words is "one million, seventy-two thousand, three hundred ninety-four".

Divisors: 1 2 17 34 31541 63082 536197 1072394