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1534854980 = 22576742749
BaseRepresentation
bin101101101111100…
…0000011101000100
310221222002201012202
41123133000131010
511120410324410
6412145134032
753015023601
oct13337003504
93858081182
101534854980
1171842729a
1236a02a318
131b5ca7019
14107bb76a8
158eb31ca5
hex5b7c0744

1534854980 has 12 divisors (see below), whose sum is σ = 3223195500. Its totient is φ = 613941984.

The previous prime is 1534854953. The next prime is 1534855031. The reversal of 1534854980 is 894584351.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 454286596 + 1080568384 = 21314^2 + 32872^2 .

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, 38371355 + ... + 38371394.

It is an arithmetic number, because the mean of its divisors is an integer number (268599625).

Almost surely, 21534854980 is an apocalyptic number.

1534854980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1534854980 is an abundant number, since it is smaller than the sum of its proper divisors (1688340520).

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

1534854980 is a wasteful number, since it uses less digits than its factorization.

1534854980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76742758 (or 76742756 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 47.

The square root of 1534854980 is about 39177.2252718336. The cubic root of 1534854980 is about 1153.5128827871.

The spelling of 1534854980 in words is "one billion, five hundred thirty-four million, eight hundred fifty-four thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 76742749 153485498 306970996 383713745 767427490 1534854980