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1020274000 = 2453510137
BaseRepresentation
bin111100110100000…
…010010101010000
32122002211021210221
4330310002111100
54042142232000
6245124002424
734166120524
oct7464022520
92562737727
101020274000
11483a10a59
12245830414
131334b8235
1499707d84
155e88861a
hex3cd02550

1020274000 has 40 divisors (see below), whose sum is σ = 2467027368. Its totient is φ = 408108800.

The previous prime is 1020273977. The next prime is 1020274007. The reversal of 1020274000 is 4720201.

It can be written as a sum of positive squares in 4 ways, for example, as 170668096 + 849605904 = 13064^2 + 29148^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020274007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253069 + ... + 257068.

Almost surely, 21020274000 is an apocalyptic number.

1020274000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020274000 is an abundant number, since it is smaller than the sum of its proper divisors (1446753368).

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

1020274000 is an equidigital number, since it uses as much as digits as its factorization.

1020274000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510160 (or 510144 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 1020274000 is about 31941.7281936967. The cubic root of 1020274000 is about 1006.7128369879.

Adding to 1020274000 its reverse (4720201), we get a palindrome (1024994201).

The spelling of 1020274000 in words is "one billion, twenty million, two hundred seventy-four thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 510137 1020274 2040548 2550685 4081096 5101370 8162192 10202740 12753425 20405480 25506850 40810960 51013700 63767125 102027400 127534250 204054800 255068500 510137000 1020274000