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48455220 = 22351173417
BaseRepresentation
bin1011100011010…
…1111000110100
310101011210001210
42320311320310
544401031340
64450321420
71125601602
oct270657064
9111153053
1048455220
1125396140
1214289270
13a067238
146614872
1543c2180
hex2e35e34

48455220 has 48 divisors (see below), whose sum is σ = 148010688. Its totient is φ = 11746560.

The previous prime is 48455189. The next prime is 48455221. The reversal of 48455220 is 2255484.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48455221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36049 + ... + 37368.

It is an arithmetic number, because the mean of its divisors is an integer number (3083556).

Almost surely, 248455220 is an apocalyptic number.

It is an amenable number.

48455220 is an abundant number, since it is smaller than the sum of its proper divisors (99555468).

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

48455220 is a wasteful number, since it uses less digits than its factorization.

48455220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73440 (or 73438 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 48455220 is about 6960.9783795096. The cubic root of 48455220 is about 364.5693801971.

The spelling of 48455220 in words is "forty-eight million, four hundred fifty-five thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 73417 146834 220251 293668 367085 440502 734170 807587 881004 1101255 1468340 1615174 2202510 2422761 3230348 4037935 4405020 4845522 8075870 9691044 12113805 16151740 24227610 48455220