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52472448 = 27357241
BaseRepresentation
bin1100100000101…
…0101010000000
310122201212200000
43020022222000
5101413104243
65112400000
71205002620
oct310125200
9118655600
1052472448
112768a366
12156a6000
13ab428b2
146d7c880
1549175d3
hex320aa80

52472448 has 192 divisors, whose sum is σ = 179699520. Its totient is φ = 14929920.

The previous prime is 52472447. The next prime is 52472449. The reversal of 52472448 is 84427425.

It is an interprime number because it is at equal distance from previous prime (52472447) and next prime (52472449).

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×524724482 = 5506715598225408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (52472447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 217608 + ... + 217848.

It is an arithmetic number, because the mean of its divisors is an integer number (935935).

Almost surely, 252472448 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 52472448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89849760).

52472448 is an abundant number, since it is smaller than the sum of its proper divisors (127227072).

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

52472448 is an equidigital number, since it uses as much as digits as its factorization.

52472448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277 (or 253 counting only the distinct ones).

The product of its digits is 71680, while the sum is 36.

The square root of 52472448 is about 7243.7868549537. The cubic root of 52472448 is about 374.3781052285.

The spelling of 52472448 in words is "fifty-two million, four hundred seventy-two thousand, four hundred forty-eight".