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148894089 = 3192137483
BaseRepresentation
bin10001101111111…
…11000110001001
3101101011121021220
420313333012021
5301104102324
622435152253
73455402361
oct1067770611
9341147256
10148894089
1177057373
1241a45689
1324b02716
1415abb9a1
15d111b79
hex8dff189

148894089 has 12 divisors (see below), whose sum is σ = 209525616. Its totient is φ = 94037688.

The previous prime is 148894069. The next prime is 148894093. The reversal of 148894089 is 980498841.

It is not a de Polignac number, because 148894089 - 213 = 148885897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (148894069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67659 + ... + 69824.

It is an arithmetic number, because the mean of its divisors is an integer number (17460468).

Almost surely, 2148894089 is an apocalyptic number.

148894089 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

148894089 is a deficient number, since it is larger than the sum of its proper divisors (60631527).

148894089 is a wasteful number, since it uses less digits than its factorization.

148894089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137524 (or 137505 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 51.

The square root of 148894089 is about 12202.2165609368. The cubic root of 148894089 is about 530.0202780897.

The spelling of 148894089 in words is "one hundred forty-eight million, eight hundred ninety-four thousand, eighty-nine".

Divisors: 1 3 19 57 361 1083 137483 412449 2612177 7836531 49631363 148894089