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20007102 = 23231131283
BaseRepresentation
bin100110001010…
…0100010111110
31101122110120210
41030110202332
520110211402
61552453250
7332025513
oct114244276
941573523
1020007102
11103256a5
12684a226
1341b672b
14292b30a
151b5306c
hex13148be

20007102 has 32 divisors (see below), whose sum is σ = 42156288. Its totient is φ = 6317696.

The previous prime is 20007061. The next prime is 20007107. The reversal of 20007102 is 20170002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20007107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14953 + ... + 16235.

It is an arithmetic number, because the mean of its divisors is an integer number (1317384).

Almost surely, 220007102 is an apocalyptic number.

20007102 is an abundant number, since it is smaller than the sum of its proper divisors (22149186).

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

20007102 is a wasteful number, since it uses less digits than its factorization.

20007102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424.

The product of its (nonzero) digits is 28, while the sum is 12.

The square root of 20007102 is about 4472.9299122611. The cubic root of 20007102 is about 271.4738875137.

Adding to 20007102 its reverse (20170002), we get a palindrome (40177104).

The spelling of 20007102 in words is "twenty million, seven thousand, one hundred two".

Divisors: 1 2 3 6 23 46 69 113 138 226 339 678 1283 2566 2599 3849 5198 7698 7797 15594 29509 59018 88527 144979 177054 289958 434937 869874 3334517 6669034 10003551 20007102