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102142002 = 23291573739
BaseRepresentation
bin1100001011010…
…01000000110010
321010012100111010
412011221000302
5202122021002
614045131350
72350123044
oct605510062
9233170433
10102142002
1152724886
122a259b56
1318213771
14d7cba94
158e7946c
hex6169032

102142002 has 32 divisors (see below), whose sum is σ = 212731200. Its totient is φ = 32655168.

The previous prime is 102141997. The next prime is 102142003. The reversal of 102142002 is 200241201.

It is not an unprimeable number, because it can be changed into a prime (102142003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25449 + ... + 29187.

It is an arithmetic number, because the mean of its divisors is an integer number (6647850).

Almost surely, 2102142002 is an apocalyptic number.

102142002 is an abundant number, since it is smaller than the sum of its proper divisors (110589198).

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

102142002 is a wasteful number, since it uses less digits than its factorization.

102142002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3930.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 102142002 is about 10106.5326398325. The cubic root of 102142002 is about 467.4495958317.

Adding to 102142002 its reverse (200241201), we get a palindrome (302383203).

The spelling of 102142002 in words is "one hundred two million, one hundred forty-two thousand, two".

Divisors: 1 2 3 6 29 58 87 157 174 314 471 942 3739 4553 7478 9106 11217 13659 22434 27318 108431 216862 325293 587023 650586 1174046 1761069 3522138 17023667 34047334 51071001 102142002