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102018414 = 2341414709
BaseRepresentation
bin1100001010010…
…10110101101110
321002222001221210
412011022311232
5202104042124
614042335250
72346066531
oct605126556
9232861853
10102018414
115264aa43
122a1ba526
131819c434
14d798a18
158e52a29
hex614ad6e

102018414 has 16 divisors (see below), whose sum is σ = 209013840. Its totient is φ = 33176640.

The previous prime is 102018407. The next prime is 102018419. The reversal of 102018414 is 414810201.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102018419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207109 + ... + 207600.

It is an arithmetic number, because the mean of its divisors is an integer number (13063365).

Almost surely, 2102018414 is an apocalyptic number.

102018414 is an abundant number, since it is smaller than the sum of its proper divisors (106995426).

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

102018414 is a wasteful number, since it uses less digits than its factorization.

102018414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414755.

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 102018414 is about 10100.4165260647. The cubic root of 102018414 is about 467.2609875690.

Adding to 102018414 its reverse (414810201), we get a palindrome (516828615).

The spelling of 102018414 in words is "one hundred two million, eighteen thousand, four hundred fourteen".

Divisors: 1 2 3 6 41 82 123 246 414709 829418 1244127 2488254 17003069 34006138 51009207 102018414