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1920102 = 231916843
BaseRepresentation
bin111010100110001100110
310121112212220
413110301212
5442420402
6105053210
722214652
oct7246146
93545786
101920102
1110a1668
12787206
13522c72
1437da62
1527ddbc
hex1d4c66

1920102 has 16 divisors (see below), whose sum is σ = 4042560. Its totient is φ = 606312.

The previous prime is 1920101. The next prime is 1920143. The reversal of 1920102 is 2010291.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1920101) 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, 8308 + ... + 8535.

It is an arithmetic number, because the mean of its divisors is an integer number (252660).

21920102 is an apocalyptic number.

1920102 is an abundant number, since it is smaller than the sum of its proper divisors (2122458).

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

1920102 is a wasteful number, since it uses less digits than its factorization.

1920102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16867.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1920102 is about 1385.6774516459. The cubic root of 1920102 is about 124.2915011555.

Adding to 1920102 its reverse (2010291), we get a palindrome (3930393).

The spelling of 1920102 in words is "one million, nine hundred twenty thousand, one hundred two".

Divisors: 1 2 3 6 19 38 57 114 16843 33686 50529 101058 320017 640034 960051 1920102