Search a number
-
+
103231473 = 334410491
BaseRepresentation
bin1100010011100…
…10111111110001
321012020200221220
412021302333301
5202411401343
614124335253
72362311252
oct611627761
9235220856
10103231473
11532a9374
122a6a4529
1318505617
14d9d2b29
1590e2183
hex6272ff1

103231473 has 4 divisors (see below), whose sum is σ = 137641968. Its totient is φ = 68820980.

The previous prime is 103231451. The next prime is 103231477. The reversal of 103231473 is 374132301.

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: 374132301 = 3124710767.

It is a cyclic number.

It is not a de Polignac number, because 103231473 - 226 = 36122609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103231477) 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, 17205243 + ... + 17205248.

It is an arithmetic number, because the mean of its divisors is an integer number (34410492).

Almost surely, 2103231473 is an apocalyptic number.

It is an amenable number.

103231473 is a deficient number, since it is larger than the sum of its proper divisors (34410495).

103231473 is an equidigital number, since it uses as much as digits as its factorization.

103231473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34410494.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 103231473 is about 10160.2890214797. The cubic root of 103231473 is about 469.1056979491.

Adding to 103231473 its reverse (374132301), we get a palindrome (477363774).

The spelling of 103231473 in words is "one hundred three million, two hundred thirty-one thousand, four hundred seventy-three".

Divisors: 1 3 34410491 103231473