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148665740 = 2257433287
BaseRepresentation
bin10001101110001…
…11010110001100
3101100202000001112
420313013112030
5301024300430
622430231152
73453431546
oct1067072614
9340660045
10148665740
1176a10853
12419554b8
1324a527c2
1415a5c696
15d0b9195
hex8dc758c

148665740 has 12 divisors (see below), whose sum is σ = 312198096. Its totient is φ = 59466288.

The previous prime is 148665703. The next prime is 148665757. The reversal of 148665740 is 47566841.

148665740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3716624 + ... + 3716663.

It is an arithmetic number, because the mean of its divisors is an integer number (26016508).

Almost surely, 2148665740 is an apocalyptic number.

148665740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148665740 is an abundant number, since it is smaller than the sum of its proper divisors (163532356).

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

148665740 is a wasteful number, since it uses less digits than its factorization.

148665740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7433296 (or 7433294 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 148665740 is about 12192.8561051134. The cubic root of 148665740 is about 529.7491871289.

The spelling of 148665740 in words is "one hundred forty-eight million, six hundred sixty-five thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 7433287 14866574 29733148 37166435 74332870 148665740