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1540531060 = 225479160807
BaseRepresentation
bin101101111010010…
…1010001101110100
310222100210002022221
41123310222031310
511123333443220
6412510532124
753114204125
oct13364521564
93870702287
101540531060
11720653872
1236bb07044
131b7213753
1410885404c
15903a39aa
hex5bd2a374

1540531060 has 24 divisors (see below), whose sum is σ = 3241889280. Its totient is φ = 614922144.

The previous prime is 1540531051. The next prime is 1540531073. The reversal of 1540531060 is 601350451.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70824 + ... + 89983.

It is an arithmetic number, because the mean of its divisors is an integer number (135078720).

Almost surely, 21540531060 is an apocalyptic number.

1540531060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1540531060 is an abundant number, since it is smaller than the sum of its proper divisors (1701358220).

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

1540531060 is a wasteful number, since it uses less digits than its factorization.

1540531060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161295 (or 161293 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1540531060 is about 39249.5994884024. The cubic root of 1540531060 is about 1154.9330770867.

The spelling of 1540531060 in words is "one billion, five hundred forty million, five hundred thirty-one thousand, sixty".

Divisors: 1 2 4 5 10 20 479 958 1916 2395 4790 9580 160807 321614 643228 804035 1608070 3216140 77026553 154053106 308106212 385132765 770265530 1540531060