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148294909 = 7414871061
BaseRepresentation
bin10001101011011…
…00110011111101
3101100001011101001
420311230303331
5300430414114
622414250301
73450325450
oct1065546375
9340034331
10148294909
1176788184
12417b6991
1324952a89
14159a3497
15d044374
hex8d6ccfd

148294909 has 16 divisors (see below), whose sum is σ = 174134016. Its totient is φ = 123638400.

The previous prime is 148294897. The next prime is 148294933. The reversal of 148294909 is 909492841.

It is a cyclic number.

It is not a de Polignac number, because 148294909 - 27 = 148294781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148294309) 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 15 ways as a sum of consecutive naturals, for example, 139239 + ... + 140299.

It is an arithmetic number, because the mean of its divisors is an integer number (10883376).

Almost surely, 2148294909 is an apocalyptic number.

It is an amenable number.

148294909 is a deficient number, since it is larger than the sum of its proper divisors (25839107).

148294909 is a wasteful number, since it uses less digits than its factorization.

148294909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596.

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 148294909 is about 12177.6397138362. The cubic root of 148294909 is about 529.3083525724.

The spelling of 148294909 in words is "one hundred forty-eight million, two hundred ninety-four thousand, nine hundred nine".

Divisors: 1 7 41 287 487 1061 3409 7427 19967 43501 139769 304507 516707 3616949 21184987 148294909