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102041142 = 2372429551
BaseRepresentation
bin1100001010100…
…00011000110110
321010000020010120
412011100120312
5202110304032
614043032410
72346223020
oct605203066
9233006116
10102041142
1152666025
122a20b706
13181a9898
14d7a3010
158e5962c
hex6150636

102041142 has 16 divisors (see below), whose sum is σ = 233236992. Its totient is φ = 29154600.

The previous prime is 102041141. The next prime is 102041161. The reversal of 102041142 is 241140201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102041141) 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, 1214734 + ... + 1214817.

It is an arithmetic number, because the mean of its divisors is an integer number (14577312).

Almost surely, 2102041142 is an apocalyptic number.

102041142 is an abundant number, since it is smaller than the sum of its proper divisors (131195850).

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

102041142 is a wasteful number, since it uses less digits than its factorization.

102041142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2429563.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 102041142 is about 10101.5415655236. The cubic root of 102041142 is about 467.2956843090.

Adding to 102041142 its reverse (241140201), we get a palindrome (343181343).

The spelling of 102041142 in words is "one hundred two million, forty-one thousand, one hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 2429551 4859102 7288653 14577306 17006857 34013714 51020571 102041142