Search a number
-
+
146945293 = 1179169097
BaseRepresentation
bin10001100001000…
…11010100001101
3101020111121001021
420300203110031
5300104222133
622325314141
73433004635
oct1060432415
9336447037
10146945293
1175a461a0
1241265951
132459c6a1
14157316c5
15cd7952d
hex8c2350d

146945293 has 8 divisors (see below), whose sum is σ = 162334080. Its totient is φ = 131894880.

The previous prime is 146945273. The next prime is 146945299. The reversal of 146945293 is 392549641.

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 146945293 - 29 = 146944781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146945299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83680 + ... + 85417.

It is an arithmetic number, because the mean of its divisors is an integer number (20291760).

Almost surely, 2146945293 is an apocalyptic number.

It is an amenable number.

146945293 is a deficient number, since it is larger than the sum of its proper divisors (15388787).

146945293 is a wasteful number, since it uses less digits than its factorization.

146945293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169187.

The product of its digits is 233280, while the sum is 43.

The square root of 146945293 is about 12122.0993643840. The cubic root of 146945293 is about 527.6977305041.

The spelling of 146945293 in words is "one hundred forty-six million, nine hundred forty-five thousand, two hundred ninety-three".

Divisors: 1 11 79 869 169097 1860067 13358663 146945293