Search a number
-
+
146621123 = 1183915887
BaseRepresentation
bin10001011110101…
…00001011000011
3101012220010100222
420233110023003
5300013333443
622314333255
73430154555
oct1057241303
9335803328
10146621123
1175844690
124112a22b
13244b7c7c
14156894d5
15cd13468
hex8bd42c3

146621123 has 8 divisors (see below), whose sum is σ = 160151040. Its totient is φ = 133124680.

The previous prime is 146621117. The next prime is 146621131. The reversal of 146621123 is 321126641.

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 146621123 - 214 = 146604739 is a prime.

It is a super-2 number, since 2×1466211232 = 42995507419562258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 146621092 and 146621101.

It is not an unprimeable number, because it can be changed into a prime (146621173) 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 7 ways as a sum of consecutive naturals, for example, 1286 + ... + 17172.

It is an arithmetic number, because the mean of its divisors is an integer number (20018880).

Almost surely, 2146621123 is an apocalyptic number.

146621123 is a deficient number, since it is larger than the sum of its proper divisors (13529917).

146621123 is a wasteful number, since it uses less digits than its factorization.

146621123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16737.

The product of its digits is 1728, while the sum is 26.

The square root of 146621123 is about 12108.7209481431. The cubic root of 146621123 is about 527.3094006786.

Adding to 146621123 its reverse (321126641), we get a palindrome (467747764).

The spelling of 146621123 in words is "one hundred forty-six million, six hundred twenty-one thousand, one hundred twenty-three".

Divisors: 1 11 839 9229 15887 174757 13329193 146621123