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148481898 = 23127719379
BaseRepresentation
bin10001101100110…
…10011101101010
3101100101122212120
420312122131222
5301002410043
622422252110
73452034555
oct1066323552
9340348776
10148481898
11768a5714
1241887036
13249b9c16
1415a1169c
15d07e983
hex8d9a76a

148481898 has 16 divisors (see below), whose sum is σ = 297211680. Its totient is φ = 49452656.

The previous prime is 148481891. The next prime is 148481899. The reversal of 148481898 is 898184841.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 148481898.

It is not an unprimeable number, because it can be changed into a prime (148481891) 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, 2028 + ... + 17351.

It is an arithmetic number, because the mean of its divisors is an integer number (18575730).

Almost surely, 2148481898 is an apocalyptic number.

148481898 is an abundant number, since it is smaller than the sum of its proper divisors (148729782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

148481898 is a wasteful number, since it uses less digits than its factorization.

148481898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20661.

The product of its digits is 589824, while the sum is 51.

The square root of 148481898 is about 12185.3148502614. The cubic root of 148481898 is about 529.5307321297.

The spelling of 148481898 in words is "one hundred forty-eight million, four hundred eighty-one thousand, eight hundred ninety-eight".

Divisors: 1 2 3 6 1277 2554 3831 7662 19379 38758 58137 116274 24746983 49493966 74240949 148481898