Search a number
-
+
103214145 = 356880943
BaseRepresentation
bin1100010011011…
…10110001000001
321012012211012010
412021232301001
5202410323040
614124123133
72362206606
oct611566101
9235184163
10103214145
1153297351
122a6964a9
13184ca778
14d9ca6ad
1590dbe80
hex626ec41

103214145 has 8 divisors (see below), whose sum is σ = 165142656. Its totient is φ = 55047536.

The previous prime is 103214143. The next prime is 103214149. The reversal of 103214145 is 541412301.

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

It is a cyclic number.

It is not a de Polignac number, because 103214145 - 21 = 103214143 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (103214141) 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, 3440457 + ... + 3440486.

It is an arithmetic number, because the mean of its divisors is an integer number (20642832).

Almost surely, 2103214145 is an apocalyptic number.

103214145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103214145 is a deficient number, since it is larger than the sum of its proper divisors (61928511).

103214145 is an equidigital number, since it uses as much as digits as its factorization.

103214145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6880951.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 103214145 is about 10159.4362540448. The cubic root of 103214145 is about 469.0794491119.

Adding to 103214145 its reverse (541412301), we get a palindrome (644626446).

The spelling of 103214145 in words is "one hundred three million, two hundred fourteen thousand, one hundred forty-five".

Divisors: 1 3 5 15 6880943 20642829 34404715 103214145