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1020274080 = 2535736197
BaseRepresentation
bin111100110100000…
…010010110100000
32122002211021220220
4330310002112200
54042142232310
6245124003040
734166121000
oct7464022640
92562737826
101020274080
11483a11021
12245830480
131334b8297
1499708000
155e888670
hex3cd025a0

1020274080 has 192 divisors, whose sum is σ = 3748550400. Its totient is φ = 233167872.

The previous prime is 1020274063. The next prime is 1020274093. The reversal of 1020274080 is 804720201.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1020274080.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161542 + ... + 167738.

It is an arithmetic number, because the mean of its divisors is an integer number (19523700).

Almost surely, 21020274080 is an apocalyptic number.

1020274080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1020274080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1874275200).

1020274080 is an abundant number, since it is smaller than the sum of its proper divisors (2728276320).

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

1020274080 is an equidigital number, since it uses as much as digits as its factorization.

1020274080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6236 (or 6214 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 1020274080 is about 31941.7294459771. The cubic root of 1020274080 is about 1006.7128633001.

Adding to 1020274080 its reverse (804720201), we get a palindrome (1824994281).

The spelling of 1020274080 in words is "one billion, twenty million, two hundred seventy-four thousand, eighty".