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102143022 = 2317023837
BaseRepresentation
bin1100001011010…
…01010000101110
321010012101212220
412011221100232
5202122034042
614045140210
72350126032
oct605512056
9233171786
10102143022
1152725623
122a25a666
1318214077
14d7cc1c2
158e798ec
hex616942e

102143022 has 8 divisors (see below), whose sum is σ = 204286056. Its totient is φ = 34047672.

The previous prime is 102143011. The next prime is 102143029. The reversal of 102143022 is 220341201.

It is a sphenic number, since it is the product of 3 distinct primes.

102143022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 102142992 and 102143010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102143029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8511913 + ... + 8511924.

It is an arithmetic number, because the mean of its divisors is an integer number (25535757).

Almost surely, 2102143022 is an apocalyptic number.

102143022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

102143022 is a wasteful number, since it uses less digits than its factorization.

102143022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17023842.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 102143022 is about 10106.5831021172. The cubic root of 102143022 is about 467.4511518256.

Adding to 102143022 its reverse (220341201), we get a palindrome (322484223).

The spelling of 102143022 in words is "one hundred two million, one hundred forty-three thousand, twenty-two".

Divisors: 1 2 3 6 17023837 34047674 51071511 102143022