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148118640 = 2435617161
BaseRepresentation
bin10001101010000…
…01110001110000
3101022201012120120
420311001301300
5300404244030
622410410240
73445662525
oct1065016160
9338635516
10148118640
11766777aa
1241730980
13248c0787
141595914c
15d00c010
hex8d41c70

148118640 has 40 divisors (see below), whose sum is σ = 459168528. Its totient is φ = 39498240.

The previous prime is 148118639. The next prime is 148118657. The reversal of 148118640 is 46811841.

148118640 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308341 + ... + 308820.

Almost surely, 2148118640 is an apocalyptic number.

148118640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148118640 is an abundant number, since it is smaller than the sum of its proper divisors (311049888).

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

148118640 is a wasteful number, since it uses less digits than its factorization.

148118640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617177 (or 617171 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 148118640 is about 12170.4001577598. The cubic root of 148118640 is about 529.0985507076.

The spelling of 148118640 in words is "one hundred forty-eight million, one hundred eighteen thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 617161 1234322 1851483 2468644 3085805 3702966 4937288 6171610 7405932 9257415 9874576 12343220 14811864 18514830 24686440 29623728 37029660 49372880 74059320 148118640