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102104434 = 2419121843
BaseRepresentation
bin1100001010111…
…11110101110010
321010010102221201
412011133311302
5202114320214
614044241414
72346605365
oct605376562
9233112851
10102104434
11526a9633
122a24026a
13181cc633
14d7bc0dc
158e6d274
hex615fd72

102104434 has 8 divisors (see below), whose sum is σ = 153523440. Its totient is φ = 50929956.

The previous prime is 102104411. The next prime is 102104437. The reversal of 102104434 is 434401201.

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

It is not an unprimeable number, because it can be changed into a prime (102104437) 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, 60084 + ... + 61759.

It is an arithmetic number, because the mean of its divisors is an integer number (19190430).

Almost surely, 2102104434 is an apocalyptic number.

102104434 is a deficient number, since it is larger than the sum of its proper divisors (51419006).

102104434 is a wasteful number, since it uses less digits than its factorization.

102104434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122264.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 102104434 is about 10104.6738690568. The cubic root of 102104434 is about 467.3922792217.

Adding to 102104434 its reverse (434401201), we get a palindrome (536505635).

The spelling of 102104434 in words is "one hundred two million, one hundred four thousand, four hundred thirty-four".

Divisors: 1 2 419 838 121843 243686 51052217 102104434