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1481081530 = 25148108153
BaseRepresentation
bin101100001000111…
…1000001010111010
310211012220201220111
41120101320022322
511013124102110
6402544414534
751462661645
oct13021701272
93735821814
101481081530
116a0039525
1235401744a
131a7aca206
141009baa5c
158a05de8a
hex584782ba

1481081530 has 8 divisors (see below), whose sum is σ = 2665946772. Its totient is φ = 592432608.

The previous prime is 1481081501. The next prime is 1481081549. The reversal of 1481081530 is 351801841.

It can be written as a sum of positive squares in 2 ways, for example, as 1455346201 + 25735329 = 38149^2 + 5073^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1481081492 and 1481081501.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74054067 + ... + 74054086.

Almost surely, 21481081530 is an apocalyptic number.

1481081530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1481081530 is a deficient number, since it is larger than the sum of its proper divisors (1184865242).

1481081530 is a wasteful number, since it uses less digits than its factorization.

1481081530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148108160.

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 1481081530 is about 38484.8220731238. The cubic root of 1481081530 is about 1139.8813691061.

The spelling of 1481081530 in words is "one billion, four hundred eighty-one million, eighty-one thousand, five hundred thirty".

Divisors: 1 2 5 10 148108153 296216306 740540765 1481081530