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102403211 = 1091994721
BaseRepresentation
bin1100001101010…
…00110010001011
321010200121210112
412012220302023
5202203400321
614054504535
72352261431
oct606506213
9233617715
10102403211
1152893059
122a36514b
13182a5621
14d858d51
158ecba5b
hex61a8c8b

102403211 has 8 divisors (see below), whose sum is σ = 103884000. Its totient is φ = 100932480.

The previous prime is 102403183. The next prime is 102403219. The reversal of 102403211 is 112304201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102403211 is a prime.

It is a super-2 number, since 2×1024032112 = 20972835246221042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102403219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19331 + ... + 24051.

It is an arithmetic number, because the mean of its divisors is an integer number (12985500).

Almost surely, 2102403211 is an apocalyptic number.

102403211 is a deficient number, since it is larger than the sum of its proper divisors (1480789).

102403211 is a wasteful number, since it uses less digits than its factorization.

102403211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5029.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 102403211 is about 10119.4471686945. The cubic root of 102403211 is about 467.8477281780.

Adding to 102403211 its reverse (112304201), we get a palindrome (214707412).

The spelling of 102403211 in words is "one hundred two million, four hundred three thousand, two hundred eleven".

Divisors: 1 109 199 4721 21691 514589 939479 102403211