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102401433 = 3211377937
BaseRepresentation
bin1100001101010…
…00010110011001
321010200112100200
412012220112121
5202203321213
614054452413
72352253311
oct606502631
9233615320
10102401433
1152891792
122a364109
13182a4884
14d858441
158ecb273
hex61a8599

102401433 has 6 divisors (see below), whose sum is σ = 147913194. Its totient is φ = 68267616.

The previous prime is 102401419. The next prime is 102401443. The reversal of 102401433 is 334104201.

It can be written as a sum of positive squares in only one way, i.e., 80946009 + 21455424 = 8997^2 + 4632^2 .

It is not a de Polignac number, because 102401433 - 213 = 102393241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102401443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5688960 + ... + 5688977.

It is an arithmetic number, because the mean of its divisors is an integer number (24652199).

Almost surely, 2102401433 is an apocalyptic number.

It is an amenable number.

102401433 is a deficient number, since it is larger than the sum of its proper divisors (45511761).

102401433 is a wasteful number, since it uses less digits than its factorization.

102401433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11377943 (or 11377940 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 102401433 is about 10119.3593176643. The cubic root of 102401433 is about 467.8450204567.

Adding to 102401433 its reverse (334104201), we get a palindrome (436505634).

The spelling of 102401433 in words is "one hundred two million, four hundred one thousand, four hundred thirty-three".

Divisors: 1 3 9 11377937 34133811 102401433