Search a number
-
+
146730252 = 22312227521
BaseRepresentation
bin10001011111011…
…10110100001100
3101020002200001210
420233232310030
5300030332002
622320534420
73431120664
oct1057566414
9336080053
10146730252
1175909679
1241181410
1324525846
14156b71a4
15cd3596c
hex8beed0c

146730252 has 12 divisors (see below), whose sum is σ = 342370616. Its totient is φ = 48910080.

The previous prime is 146730239. The next prime is 146730253. The reversal of 146730252 is 252037641.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (146730253) 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, 6113749 + ... + 6113772.

Almost surely, 2146730252 is an apocalyptic number.

146730252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

146730252 is an abundant number, since it is smaller than the sum of its proper divisors (195640364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

146730252 is a wasteful number, since it uses less digits than its factorization.

146730252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12227528 (or 12227526 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 146730252 is about 12113.2263249722. The cubic root of 146730252 is about 527.4401923763.

Adding to 146730252 its reverse (252037641), we get a palindrome (398767893).

The spelling of 146730252 in words is "one hundred forty-six million, seven hundred thirty thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 12227521 24455042 36682563 48910084 73365126 146730252