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48397572 = 223217312551
BaseRepresentation
bin1011100010011…
…1110100000100
310101001211222200
42320213310010
544342210242
64445154500
71125241536
oct270476404
9111054880
1048397572
11253568a3
121425ba30
13a046c22
1465db856
1543b004c
hex2e27d04

48397572 has 72 divisors (see below), whose sum is σ = 133765632. Its totient is φ = 14688000.

The previous prime is 48397571. The next prime is 48397621. The reversal of 48397572 is 27579384.

48397572 is a `hidden beast` number, since 48 + 39 + 7 + 572 = 666.

It is not an unprimeable number, because it can be changed into a prime (48397571) 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, 17697 + ... + 20247.

It is an arithmetic number, because the mean of its divisors is an integer number (1857856).

Almost surely, 248397572 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 48397572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66882816).

48397572 is an abundant number, since it is smaller than the sum of its proper divisors (85368060).

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

48397572 is a wasteful number, since it uses less digits than its factorization.

48397572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2609 (or 2604 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 48397572 is about 6956.8363499510. The cubic root of 48397572 is about 364.4247446911.

The spelling of 48397572 in words is "forty-eight million, three hundred ninety-seven thousand, five hundred seventy-two".