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1481868620 = 225682710853
BaseRepresentation
bin101100001010011…
…1000010101001100
310211021101201120222
41120110320111030
511013324243440
6403013330512
751502450451
oct13024702514
93737351528
101481868620
116a0526911
12354336a38
131a801454b
14100b43828
158a1672b5
hex5853854c

1481868620 has 24 divisors (see below), whose sum is σ = 3112666704. Its totient is φ = 592606016.

The previous prime is 1481868613. The next prime is 1481868629. The reversal of 1481868620 is 268681841.

It is not an unprimeable number, because it can be changed into a prime (1481868629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131114 + ... + 141966.

It is an arithmetic number, because the mean of its divisors is an integer number (129694446).

Almost surely, 21481868620 is an apocalyptic number.

1481868620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1481868620 is an abundant number, since it is smaller than the sum of its proper divisors (1630798084).

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

1481868620 is a wasteful number, since it uses less digits than its factorization.

1481868620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17689 (or 17687 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 44.

The square root of 1481868620 is about 38495.0466943476. The cubic root of 1481868620 is about 1140.0832554360.

It can be divided in two parts, 14818 and 68620, that added together give a palindrome (83438).

The spelling of 1481868620 in words is "one billion, four hundred eighty-one million, eight hundred sixty-eight thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 6827 10853 13654 21706 27308 34135 43412 54265 68270 108530 136540 217060 74093431 148186862 296373724 370467155 740934310 1481868620