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1972914 = 23378887
BaseRepresentation
bin111100001101010110010
310201020022220
413201222302
51001113124
6110141510
722524636
oct7415262
93636286
101972914
111128309
127b1896
13541008
14394dc6
1528e879
hex1e1ab2

1972914 has 16 divisors (see below), whose sum is σ = 4052928. Its totient is φ = 639792.

The previous prime is 1972913. The next prime is 1972921. The reversal of 1972914 is 4192791.

It is not an unprimeable number, because it can be changed into a prime (1972913) 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, 4222 + ... + 4665.

It is an arithmetic number, because the mean of its divisors is an integer number (253308).

21972914 is an apocalyptic number.

1972914 is an abundant number, since it is smaller than the sum of its proper divisors (2080014).

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

1972914 is a wasteful number, since it uses less digits than its factorization.

1972914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8929.

The product of its digits is 4536, while the sum is 33.

The square root of 1972914 is about 1404.6045706888. The cubic root of 1972914 is about 125.4207475166.

The spelling of 1972914 in words is "one million, nine hundred seventy-two thousand, nine hundred fourteen".

Divisors: 1 2 3 6 37 74 111 222 8887 17774 26661 53322 328819 657638 986457 1972914