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148530844 = 22711482243
BaseRepresentation
bin10001101101001…
…10011010011100
3101100111011000101
420312212122130
5301010441334
622423310444
73452330350
oct1066463234
9340434011
10148530844
1176929470
12418ab424
1324a06297
1415a25460
15d08e214
hex8da669c

148530844 has 24 divisors (see below), whose sum is σ = 324067968. Its totient is φ = 57869040.

The previous prime is 148530787. The next prime is 148530859. The reversal of 148530844 is 448035841.

148530844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1485308442 = 44122823238704672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240814 + ... + 241429.

It is an arithmetic number, because the mean of its divisors is an integer number (13502832).

Almost surely, 2148530844 is an apocalyptic number.

148530844 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

148530844 is an abundant number, since it is smaller than the sum of its proper divisors (175537124).

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

148530844 is a wasteful number, since it uses less digits than its factorization.

148530844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482265 (or 482263 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 148530844 is about 12187.3230858954. The cubic root of 148530844 is about 529.5889110821.

The spelling of 148530844 in words is "one hundred forty-eight million, five hundred thirty thousand, eight hundred forty-four".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 482243 964486 1928972 3375701 5304673 6751402 10609346 13502804 21218692 37132711 74265422 148530844