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103146053 = 234484611
BaseRepresentation
bin1100010010111…
…10001001000101
321012002100210012
412021132021011
5202401133203
614122440005
72361504233
oct611361105
9235070705
10103146053
115325017a
122a663005
13184a578a
14d9ad953
1590c6bd8
hex625e245

103146053 has 4 divisors (see below), whose sum is σ = 107630688. Its totient is φ = 98661420.

The previous prime is 103146013. The next prime is 103146091. The reversal of 103146053 is 350641301.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 350641301 = 829422969.

It is a cyclic number.

It is not a de Polignac number, because 103146053 - 214 = 103129669 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 4484611 = 103146053 / (1 + 0 + 3 + 1 + 4 + 6 + 0 + 5 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103146013) 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, 2242283 + ... + 2242328.

It is an arithmetic number, because the mean of its divisors is an integer number (26907672).

Almost surely, 2103146053 is an apocalyptic number.

It is an amenable number.

103146053 is a deficient number, since it is larger than the sum of its proper divisors (4484635).

103146053 is an equidigital number, since it uses as much as digits as its factorization.

103146053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4484634.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 103146053 is about 10156.0845309598. The cubic root of 103146053 is about 468.9762733817.

Adding to 103146053 its reverse (350641301), we get a palindrome (453787354).

The spelling of 103146053 in words is "one hundred three million, one hundred forty-six thousand, fifty-three".

Divisors: 1 23 4484611 103146053