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1481045761 = 13971378573
BaseRepresentation
bin101100001000110…
…1111011100000001
310211012211220211201
41120101233130001
511013121431021
6402543541201
751462452446
oct13021573401
93735756751
101481045761
116a0014668
12353bba801
131a7ab6b50
141009ab9cd
158a053591
hex5846f701

1481045761 has 16 divisors (see below), whose sum is σ = 1623366864. Its totient is φ = 1342992384.

The previous prime is 1481045723. The next prime is 1481045771. The reversal of 1481045761 is 1675401841.

It can be written as a sum of positive squares in 8 ways, for example, as 103225600 + 1377820161 = 10160^2 + 37119^2 .

It is a cyclic number.

It is not a de Polignac number, because 1481045761 - 215 = 1481012993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1481045761.

It is not an unprimeable number, because it can be changed into a prime (1481045701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168471 + ... + 177043.

It is an arithmetic number, because the mean of its divisors is an integer number (101460429).

Almost surely, 21481045761 is an apocalyptic number.

It is an amenable number.

1481045761 is a deficient number, since it is larger than the sum of its proper divisors (142321103).

1481045761 is a wasteful number, since it uses less digits than its factorization.

1481045761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8820.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 1481045761 is about 38484.3573546448. The cubic root of 1481045761 is about 1139.8721927612.

The spelling of 1481045761 in words is "one billion, four hundred eighty-one million, forty-five thousand, seven hundred sixty-one".

Divisors: 1 13 97 137 1261 1781 8573 13289 111449 172757 831581 1174501 10810553 15268513 113926597 1481045761