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102988937 is a prime number
BaseRepresentation
bin1100010001101…
…11110010001001
321011210101021002
412020313302021
5202331121222
614115224345
72360251202
oct610676211
9234711232
10102988937
1153153127
122a5a80b5
131844c0cc
14d96c5a9
159095392
hex6237c89

102988937 has 2 divisors, whose sum is σ = 102988938. Its totient is φ = 102988936.

The previous prime is 102988901. The next prime is 102988939. The reversal of 102988937 is 739889201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101687056 + 1301881 = 10084^2 + 1141^2 .

It is an emirp because it is prime and its reverse (739889201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102988937 - 28 = 102988681 is a prime.

It is a super-2 number, since 2×1029889372 = 21213442288779938, which contains 22 as substring.

Together with 102988939, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 102988891 and 102988900.

It is not a weakly prime, because it can be changed into another prime (102988939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51494468 + 51494469.

It is an arithmetic number, because the mean of its divisors is an integer number (51494469).

Almost surely, 2102988937 is an apocalyptic number.

It is an amenable number.

102988937 is a deficient number, since it is larger than the sum of its proper divisors (1).

102988937 is an equidigital number, since it uses as much as digits as its factorization.

102988937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 102988937 is about 10148.3465155660. The cubic root of 102988937 is about 468.7380315285.

The spelling of 102988937 in words is "one hundred two million, nine hundred eighty-eight thousand, nine hundred thirty-seven".