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452932780428 = 223361733832459
BaseRepresentation
bin1101001011101001110…
…01011100000110001100
31121022002122221020001000
412211310321130012030
524410101242433203
6544024025220300
744503045053012
oct6456471340614
91538078836030
10452932780428
111650a6823827
1273946331690
1333932b884ab
1417cca1dc8b2
15bbad9a54a3
hex6974e5c18c

452932780428 has 192 divisors, whose sum is σ = 1213522329600. Its totient is φ = 146026437120.

The previous prime is 452932780423. The next prime is 452932780493. The reversal of 452932780428 is 824087239254.

452932780428 is a `hidden beast` number, since 4 + 52 + 93 + 2 + 7 + 80 + 428 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (452932780423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 184192663 + ... + 184195121.

It is an arithmetic number, because the mean of its divisors is an integer number (6320428800).

Almost surely, 2452932780428 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 452932780428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (606761164800).

452932780428 is an abundant number, since it is smaller than the sum of its proper divisors (760589549172).

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

452932780428 is a wasteful number, since it uses less digits than its factorization.

452932780428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2989 (or 2981 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 54.

The spelling of 452932780428 in words is "four hundred fifty-two billion, nine hundred thirty-two million, seven hundred eighty thousand, four hundred twenty-eight".