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146185963 = 7211271217
BaseRepresentation
bin10001011011010…
…01111011101011
3101012002000102221
420231221323223
5244410422323
622301134511
73423363100
oct1055517353
9335060387
10146185963
1175577750
1240b5a437
1324394b91
14155b4aa7
15cc7955d
hex8b69eeb

146185963 has 12 divisors (see below), whose sum is σ = 185513112. Its totient is φ = 113910720.

The previous prime is 146185961. The next prime is 146185967. The reversal of 146185963 is 369581641.

It is not a de Polignac number, because 146185963 - 21 = 146185961 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 (146185961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135070 + ... + 136147.

It is an arithmetic number, because the mean of its divisors is an integer number (15459426).

Almost surely, 2146185963 is an apocalyptic number.

146185963 is a deficient number, since it is larger than the sum of its proper divisors (39327149).

146185963 is a wasteful number, since it uses less digits than its factorization.

146185963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271242 (or 271235 counting only the distinct ones).

The product of its digits is 155520, while the sum is 43.

The square root of 146185963 is about 12090.7387284649. The cubic root of 146185963 is about 526.7872127439.

The spelling of 146185963 in words is "one hundred forty-six million, one hundred eighty-five thousand, nine hundred sixty-three".

Divisors: 1 7 11 49 77 539 271217 1898519 2983387 13289633 20883709 146185963