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102242403 = 32174911361
BaseRepresentation
bin1100001100000…
…01100001100011
321010101110012200
412012001201203
5202133224103
614051224243
72351021544
oct606014143
9233343180
10102242403
115279325a
122a2a8083
131824a383
14d8164cb
158e990a3
hex6181863

102242403 has 24 divisors (see below), whose sum is σ = 156804336. Its totient is φ = 63974400.

The previous prime is 102242381. The next prime is 102242407. The reversal of 102242403 is 304242201.

It is a de Polignac number, because none of the positive numbers 2k-102242403 is a prime.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (102242407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74443 + ... + 75803.

It is an arithmetic number, because the mean of its divisors is an integer number (6533514).

Almost surely, 2102242403 is an apocalyptic number.

102242403 is a deficient number, since it is larger than the sum of its proper divisors (54561933).

102242403 is a wasteful number, since it uses less digits than its factorization.

102242403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1875 (or 1872 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 102242403 is about 10111.4985536270. The cubic root of 102242403 is about 467.6027063277.

Adding to 102242403 its reverse (304242201), we get a palindrome (406484604).

The spelling of 102242403 in words is "one hundred two million, two hundred forty-two thousand, four hundred three".

Divisors: 1 3 9 17 51 153 491 1361 1473 4083 4419 8347 12249 23137 25041 69411 75123 208233 668251 2004753 6014259 11360267 34080801 102242403