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1940536 = 231347397
BaseRepresentation
bin111011001110000111000
310122120220201
413121300320
5444044121
6105331544
722331353
oct7316070
93576821
101940536
111105a54
12796bb4
1352c360
1438729a
15284e91
hex1d9c38

1940536 has 32 divisors (see below), whose sum is σ = 4011840. Its totient is φ = 874368.

The previous prime is 1940509. The next prime is 1940537. The reversal of 1940536 is 6350491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1940537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4690 + ... + 5086.

It is an arithmetic number, because the mean of its divisors is an integer number (125370).

21940536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1940536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2005920).

1940536 is an abundant number, since it is smaller than the sum of its proper divisors (2071304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1940536 is a wasteful number, since it uses less digits than its factorization.

1940536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463 (or 459 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 1940536 is about 1393.0312272164. The cubic root of 1940536 is about 124.7308555728.

The spelling of 1940536 in words is "one million, nine hundred forty thousand, five hundred thirty-six".

Divisors: 1 2 4 8 13 26 47 52 94 104 188 376 397 611 794 1222 1588 2444 3176 4888 5161 10322 18659 20644 37318 41288 74636 149272 242567 485134 970268 1940536