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102231122 = 2741178103
BaseRepresentation
bin1100001011111…
…10110001010010
321010100212201212
412011332301102
5202132343442
614051100122
72350643630
oct605766122
9233325655
10102231122
1152785834
122a2a1642
13182451b6
14d812350
158e95a82
hex617ec52

102231122 has 16 divisors (see below), whose sum is σ = 179528832. Its totient is φ = 42744480.

The previous prime is 102231109. The next prime is 102231127. The reversal of 102231122 is 221132201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 102231097 and 102231106.

It is not an unprimeable number, because it can be changed into a prime (102231127) 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, 88478 + ... + 89625.

It is an arithmetic number, because the mean of its divisors is an integer number (11220552).

Almost surely, 2102231122 is an apocalyptic number.

102231122 is a deficient number, since it is larger than the sum of its proper divisors (77297710).

102231122 is a wasteful number, since it uses less digits than its factorization.

102231122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178153.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 102231122 is about 10110.9407079658. The cubic root of 102231122 is about 467.5855079182.

Adding to 102231122 its reverse (221132201), we get a palindrome (323363323).

The spelling of 102231122 in words is "one hundred two million, two hundred thirty-one thousand, one hundred twenty-two".

Divisors: 1 2 7 14 41 82 287 574 178103 356206 1246721 2493442 7302223 14604446 51115561 102231122