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148449841 = 595934243
BaseRepresentation
bin10001101100100…
…10101000110001
3101100100000220021
420312102220301
5301000343331
622421443441
73451542241
oct1066225061
9340300807
10148449841
1176883621
1241870581
13249a8457
1415a03b21
15d075211
hex8d92a31

148449841 has 8 divisors (see below), whose sum is σ = 151256160. Its totient is φ = 145653312.

The previous prime is 148449817. The next prime is 148449857. The reversal of 148449841 is 148944841.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 148449841 - 27 = 148449713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148449871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32866 + ... + 37108.

It is an arithmetic number, because the mean of its divisors is an integer number (18907020).

Almost surely, 2148449841 is an apocalyptic number.

It is an amenable number.

148449841 is a deficient number, since it is larger than the sum of its proper divisors (2806319).

148449841 is an equidigital number, since it uses as much as digits as its factorization.

148449841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4895.

The product of its digits is 147456, while the sum is 43.

The square root of 148449841 is about 12183.9993844386. Note that the first 3 decimals coincide. The cubic root of 148449841 is about 529.4926211126.

The spelling of 148449841 in words is "one hundred forty-eight million, four hundred forty-nine thousand, eight hundred forty-one".

Divisors: 1 59 593 4243 34987 250337 2516099 148449841