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148821852 = 223291912239
BaseRepresentation
bin10001101111011…
…01011101011100
3101101000221012110
420313231131130
5301044244402
622433434020
73454651644
oct1067553534
9341027173
10148821852
1177008073
1241a0b910
1324aa888a
1415a9d524
15d0ea56c
hex8ded75c

148821852 has 48 divisors (see below), whose sum is σ = 361267200. Its totient is φ = 47624640.

The previous prime is 148821847. The next prime is 148821857. The reversal of 148821852 is 258128841.

It is an interprime number because it is at equal distance from previous prime (148821847) and next prime (148821857).

It is a self number, because there is not a number n which added to its sum of digits gives 148821852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148821857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65349 + ... + 67587.

It is an arithmetic number, because the mean of its divisors is an integer number (7526400).

Almost surely, 2148821852 is an apocalyptic number.

148821852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 148821852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180633600).

148821852 is an abundant number, since it is smaller than the sum of its proper divisors (212445348).

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

148821852 is a wasteful number, since it uses less digits than its factorization.

148821852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2466 (or 2464 counting only the distinct ones).

The product of its digits is 40960, while the sum is 39.

The square root of 148821852 is about 12199.2562068349. The cubic root of 148821852 is about 529.9345498863.

The spelling of 148821852 in words is "one hundred forty-eight million, eight hundred twenty-one thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 12 29 58 87 116 174 191 348 382 573 764 1146 2239 2292 4478 5539 6717 8956 11078 13434 16617 22156 26868 33234 64931 66468 129862 194793 259724 389586 427649 779172 855298 1282947 1710596 2565894 5131788 12401821 24803642 37205463 49607284 74410926 148821852