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146241689 = 1121963611
BaseRepresentation
bin10001011011101…
…11100010011001
3101012011211212212
420231313202121
5244414213224
622302244505
73424014416
oct1055674231
9335154785
10146241689
1175605600
1240b86735
13243b4359
14155cb10d
15cc8ad0e
hex8b77899

146241689 has 12 divisors (see below), whose sum is σ = 169207920. Its totient is φ = 125947800.

The previous prime is 146241677. The next prime is 146241691. The reversal of 146241689 is 986142641.

It is not a de Polignac number, because 146241689 - 212 = 146237593 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (146241289) 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, 29507 + ... + 34104.

It is an arithmetic number, because the mean of its divisors is an integer number (14100660).

Almost surely, 2146241689 is an apocalyptic number.

146241689 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

146241689 is a deficient number, since it is larger than the sum of its proper divisors (22966231).

146241689 is a wasteful number, since it uses less digits than its factorization.

146241689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63652 (or 63641 counting only the distinct ones).

The product of its digits is 82944, while the sum is 41.

The square root of 146241689 is about 12093.0430000062. The cubic root of 146241689 is about 526.8541412284.

The spelling of 146241689 in words is "one hundred forty-six million, two hundred forty-one thousand, six hundred eighty-nine".

Divisors: 1 11 19 121 209 2299 63611 699721 1208609 7696931 13294699 146241689