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48271980 = 223573103107
BaseRepresentation
bin1011100000100…
…1001001101100
310100211110201010
42320021021230
544324200410
64442345220
71124206431
oct270111154
9110743633
1048271980
11252804a9
12141bb210
13a001a03
1465a7b88
154387c20
hex2e0926c

48271980 has 96 divisors (see below), whose sum is σ = 139636224. Its totient is φ = 12455424.

The previous prime is 48271973. The next prime is 48271981. The reversal of 48271980 is 8917284.

It is not an unprimeable number, because it can be changed into a prime (48271981) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 451087 + ... + 451193.

It is an arithmetic number, because the mean of its divisors is an integer number (1454544).

Almost surely, 248271980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48271980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69818112).

48271980 is an abundant number, since it is smaller than the sum of its proper divisors (91364244).

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

48271980 is a wasteful number, since it uses less digits than its factorization.

48271980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 48271980 is about 6947.8039696008. The cubic root of 48271980 is about 364.1092434655.

The spelling of 48271980 in words is "forty-eight million, two hundred seventy-one thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 73 103 107 146 206 214 219 292 309 321 365 412 428 438 515 535 618 642 730 876 1030 1070 1095 1236 1284 1460 1545 1605 2060 2140 2190 3090 3210 4380 6180 6420 7519 7811 11021 15038 15622 22042 22557 23433 30076 31244 33063 37595 39055 44084 45114 46866 55105 66126 75190 78110 90228 93732 110210 112785 117165 132252 150380 156220 165315 220420 225570 234330 330630 451140 468660 661260 804533 1609066 2413599 3218132 4022665 4827198 8045330 9654396 12067995 16090660 24135990 48271980