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102420410 = 25174314011
BaseRepresentation
bin1100001101011…
…00111110111010
321010201111101112
412012230332322
5202204423120
614055120322
72352362531
oct606547672
9233644345
10102420410
11528a4a74
122a3730a2
13182b03c1
14d861318
158ed1bc5
hex61acfba

102420410 has 32 divisors (see below), whose sum is σ = 199755072. Its totient is φ = 37658880.

The previous prime is 102420407. The next prime is 102420413. The reversal of 102420410 is 14024201.

It is an interprime number because it is at equal distance from previous prime (102420407) and next prime (102420413).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102420413) 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, 305 + ... + 14315.

It is an arithmetic number, because the mean of its divisors is an integer number (6242346).

Almost surely, 2102420410 is an apocalyptic number.

102420410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102420410 is a deficient number, since it is larger than the sum of its proper divisors (97334662).

102420410 is a wasteful number, since it uses less digits than its factorization.

102420410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14078.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 102420410 is about 10120.2969324027. The cubic root of 102420410 is about 467.8739189669.

Adding to 102420410 its reverse (14024201), we get a palindrome (116444611).

The spelling of 102420410 in words is "one hundred two million, four hundred twenty thousand, four hundred ten".

Divisors: 1 2 5 10 17 34 43 85 86 170 215 430 731 1462 3655 7310 14011 28022 70055 140110 238187 476374 602473 1190935 1204946 2381870 3012365 6024730 10242041 20484082 51210205 102420410