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1020313504 = 2574554971
BaseRepresentation
bin111100110100001…
…011111110100000
32122002220022000001
4330310023332200
54042200013004
6245124505344
734166343640
oct7464137640
92562808001
101020313504
11483a38701
1224584b254
13133500202
1499718520
155e8951a4
hex3cd0bfa0

1020313504 has 24 divisors (see below), whose sum is σ = 2295705888. Its totient is φ = 437277120.

The previous prime is 1020313457. The next prime is 1020313507. The reversal of 1020313504 is 4053130201.

It is not an unprimeable number, because it can be changed into a prime (1020313507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2277262 + ... + 2277709.

It is an arithmetic number, because the mean of its divisors is an integer number (95654412).

Almost surely, 21020313504 is an apocalyptic number.

1020313504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1020313504 is an abundant number, since it is smaller than the sum of its proper divisors (1275392384).

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

1020313504 is an equidigital number, since it uses as much as digits as its factorization.

1020313504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4554988 (or 4554980 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1020313504 is about 31942.3465637702. The cubic root of 1020313504 is about 1006.7258297953.

Adding to 1020313504 its reverse (4053130201), we get a palindrome (5073443705).

The spelling of 1020313504 in words is "one billion, twenty million, three hundred thirteen thousand, five hundred four".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 4554971 9109942 18219884 31884797 36439768 63769594 72879536 127539188 145759072 255078376 510156752 1020313504