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20762442 = 2321676907
BaseRepresentation
bin100111100110…
…0111101001010
31110001211201100
41033030331022
520303344232
62021002230
7341322621
oct117147512
943054640
1020762442
11107a1148
126b53376
1343bc48c
142a866b8
151c51c7c
hex13ccf4a

20762442 has 24 divisors (see below), whose sum is σ = 45261216. Its totient is φ = 6878376.

The previous prime is 20762437. The next prime is 20762447. The reversal of 20762442 is 24426702.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20762437) and next prime (20762447).

It is not an unprimeable number, because it can be changed into a prime (20762447) 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, 448 + ... + 6459.

It is an arithmetic number, because the mean of its divisors is an integer number (1885884).

Almost surely, 220762442 is an apocalyptic number.

20762442 is an abundant number, since it is smaller than the sum of its proper divisors (24498774).

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

20762442 is a wasteful number, since it uses less digits than its factorization.

20762442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7082 (or 7079 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 20762442 is about 4556.5822718349. The cubic root of 20762442 is about 274.8481453626.

The spelling of 20762442 in words is "twenty million, seven hundred sixty-two thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 18 167 334 501 1002 1503 3006 6907 13814 20721 41442 62163 124326 1153469 2306938 3460407 6920814 10381221 20762442