Search a number
-
+
123530466 = 23171211083
BaseRepresentation
bin1110101110011…
…10110011100010
322121102222221110
413113032303202
5223110433331
620131404150
73026664063
oct727166342
9277388843
10123530466
11638032a4
1235453656
131c791b67
141259856a
15aca1946
hex75cece2

123530466 has 16 divisors (see below), whose sum is σ = 261594144. Its totient is φ = 38754624.

The previous prime is 123530461. The next prime is 123530471. The reversal of 123530466 is 664035321.

It is an interprime number because it is at equal distance from previous prime (123530461) and next prime (123530471).

It is not an unprimeable number, because it can be changed into a prime (123530461) 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, 605440 + ... + 605643.

It is an arithmetic number, because the mean of its divisors is an integer number (16349634).

Almost surely, 2123530466 is an apocalyptic number.

123530466 is an abundant number, since it is smaller than the sum of its proper divisors (138063678).

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

123530466 is a wasteful number, since it uses less digits than its factorization.

123530466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211105.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 123530466 is about 11114.4260310643. The cubic root of 123530466 is about 498.0328924582.

Adding to 123530466 its reverse (664035321), we get a palindrome (787565787).

The spelling of 123530466 in words is "one hundred twenty-three million, five hundred thirty thousand, four hundred sixty-six".

Divisors: 1 2 3 6 17 34 51 102 1211083 2422166 3633249 7266498 20588411 41176822 61765233 123530466