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102342148 = 22374331597
BaseRepresentation
bin1100001100110…
…01111000000100
321010120112000221
412012121320010
5202144422043
614053314124
72351615416
oct606317004
9233515027
10102342148
1152851197
122a335944
13182838ac
14d8409b6
158eb88ed
hex6199e04

102342148 has 24 divisors (see below), whose sum is σ = 184479512. Its totient is φ = 49641984.

The previous prime is 102342143. The next prime is 102342173. The reversal of 102342148 is 841243201.

It can be written as a sum of positive squares in 4 ways, for example, as 5673924 + 96668224 = 2382^2 + 9832^2 .

It is not an unprimeable number, because it can be changed into a prime (102342143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63286 + ... + 64882.

Almost surely, 2102342148 is an apocalyptic number.

It is an amenable number.

102342148 is a deficient number, since it is larger than the sum of its proper divisors (82137364).

102342148 is a wasteful number, since it uses less digits than its factorization.

102342148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2071 (or 2069 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 102342148 is about 10116.4296073269. The cubic root of 102342148 is about 467.7547172075.

Adding to 102342148 its reverse (841243201), we get a palindrome (943585349).

The spelling of 102342148 in words is "one hundred two million, three hundred forty-two thousand, one hundred forty-eight".

Divisors: 1 2 4 37 74 148 433 866 1597 1732 3194 6388 16021 32042 59089 64084 118178 236356 691501 1383002 2766004 25585537 51171074 102342148