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20914002 = 2321796491
BaseRepresentation
bin100111111000…
…1111101010010
31110100112121200
41033301331102
520323222002
62024132030
7342523524
oct117617522
943315550
1020914002
1110894aaa
127007016
134443465
142ac5a14
151c81b1c
hex13f1f52

20914002 has 24 divisors (see below), whose sum is σ = 45573840. Its totient is φ = 6931320.

The previous prime is 20914001. The next prime is 20914027. The reversal of 20914002 is 20041902.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20914001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24 + ... + 6467.

It is an arithmetic number, because the mean of its divisors is an integer number (1898910).

Almost surely, 220914002 is an apocalyptic number.

20914002 is an abundant number, since it is smaller than the sum of its proper divisors (24659838).

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

20914002 is a wasteful number, since it uses less digits than its factorization.

20914002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6678 (or 6675 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 20914002 is about 4573.1829178374. The cubic root of 20914002 is about 275.5152960920.

Adding to 20914002 its reverse (20041902), we get a palindrome (40955904).

The spelling of 20914002 in words is "twenty million, nine hundred fourteen thousand, two".

Divisors: 1 2 3 6 9 18 179 358 537 1074 1611 3222 6491 12982 19473 38946 58419 116838 1161889 2323778 3485667 6971334 10457001 20914002