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103135457 = 432398499
BaseRepresentation
bin1100010010110…
…11100011100001
321012001211020202
412021123203201
5202400313312
614122314545
72361431315
oct611334341
9235054222
10103135457
1153243217
122a658a55
13184a09c9
14d9a9b45
1590c39c2
hex625b8e1

103135457 has 4 divisors (see below), whose sum is σ = 105534000. Its totient is φ = 100736916.

The previous prime is 103135453. The next prime is 103135469. The reversal of 103135457 is 754531301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 103135457 - 22 = 103135453 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103135451) 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 in 3 ways as a sum of consecutive naturals, for example, 1199207 + ... + 1199292.

It is an arithmetic number, because the mean of its divisors is an integer number (26383500).

Almost surely, 2103135457 is an apocalyptic number.

It is an amenable number.

103135457 is a deficient number, since it is larger than the sum of its proper divisors (2398543).

103135457 is an equidigital number, since it uses as much as digits as its factorization.

103135457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2398542.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 103135457 is about 10155.5628598320. The cubic root of 103135457 is about 468.9602138150.

Adding to 103135457 its reverse (754531301), we get a palindrome (857666758).

The spelling of 103135457 in words is "one hundred three million, one hundred thirty-five thousand, four hundred fifty-seven".

Divisors: 1 43 2398499 103135457