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1940323 = 711113223
BaseRepresentation
bin111011001101101100011
310122120121211
413121231203
5444042243
6105330551
722330630
oct7315543
93576554
101940323
111105880
12796a57
1352c228
14387187
15284d9d
hex1d9b63

1940323 has 16 divisors (see below), whose sum is σ = 2451456. Its totient is φ = 1491840.

The previous prime is 1940293. The next prime is 1940327. The reversal of 1940323 is 3230491.

It is not a de Polignac number, because 1940323 - 213 = 1932131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1940294 and 1940303.

It is not an unprimeable number, because it can be changed into a prime (1940327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8590 + ... + 8812.

It is an arithmetic number, because the mean of its divisors is an integer number (153216).

21940323 is an apocalyptic number.

1940323 is a deficient number, since it is larger than the sum of its proper divisors (511133).

1940323 is a wasteful number, since it uses less digits than its factorization.

1940323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 1940323 is about 1392.9547731352. The cubic root of 1940323 is about 124.7262917746.

The spelling of 1940323 in words is "one million, nine hundred forty thousand, three hundred twenty-three".

Divisors: 1 7 11 77 113 223 791 1243 1561 2453 8701 17171 25199 176393 277189 1940323