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146242901 = 7223129763
BaseRepresentation
bin10001011011101…
…11110101010101
3101012011220112202
420231313311111
5244414233101
622302254245
73424021100
oct1055676525
9335156482
10146242901
1175606502
1240b87385
13243b4a7c
14155cb737
15cc8b36b
hex8b77d55

146242901 has 12 divisors (see below), whose sum is σ = 177517152. Its totient is φ = 119900088.

The previous prime is 146242879. The next prime is 146242909. The reversal of 146242901 is 109242641.

It is not a de Polignac number, because 146242901 - 222 = 142048597 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 (146242909) 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, 63755 + ... + 66008.

It is an arithmetic number, because the mean of its divisors is an integer number (14793096).

Almost surely, 2146242901 is an apocalyptic number.

It is an amenable number.

146242901 is a deficient number, since it is larger than the sum of its proper divisors (31274251).

146242901 is a wasteful number, since it uses less digits than its factorization.

146242901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129800 (or 129793 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 146242901 is about 12093.0931113591. The cubic root of 146242901 is about 526.8555966854.

The spelling of 146242901 in words is "one hundred forty-six million, two hundred forty-two thousand, nine hundred one".

Divisors: 1 7 23 49 161 1127 129763 908341 2984549 6358387 20891843 146242901