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48123530 = 2571352883
BaseRepresentation
bin1011011110010…
…0111010001010
310100112221001222
42313210322022
544304423110
64435242042
71123020560
oct267447212
9110487058
1048123530
1125189a14
1214149322
139c7c280
146569a30
154358c55
hex2de4e8a

48123530 has 32 divisors (see below), whose sum is σ = 106614144. Its totient is φ = 15230016.

The previous prime is 48123529. The next prime is 48123539. The reversal of 48123530 is 3532184.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 48123530.

It is not an unprimeable number, because it can be changed into a prime (48123539) 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, 25532 + ... + 27351.

It is an arithmetic number, because the mean of its divisors is an integer number (3331692).

Almost surely, 248123530 is an apocalyptic number.

48123530 is an abundant number, since it is smaller than the sum of its proper divisors (58490614).

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

48123530 is a wasteful number, since it uses less digits than its factorization.

48123530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52910.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 48123530 is about 6937.1125117011. The cubic root of 48123530 is about 363.7356138743.

The spelling of 48123530 in words is "forty-eight million, one hundred twenty-three thousand, five hundred thirty".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 182 455 910 52883 105766 264415 370181 528830 687479 740362 1374958 1850905 3437395 3701810 4812353 6874790 9624706 24061765 48123530