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134037281 = 783281821
BaseRepresentation
bin1111111110100…
…11111100100001
3100100012210120202
413333103330201
5233303143111
621144514545
73215204150
oct777237441
9310183522
10134037281
116972a214
1238a7ba55
1321a00301
1413b31597
15bb79b3b
hex7fd3f21

134037281 has 16 divisors (see below), whose sum is σ = 155772288. Its totient is φ = 112963200.

The previous prime is 134037259. The next prime is 134037287. The reversal of 134037281 is 182730431.

It is not a de Polignac number, because 134037281 - 226 = 66928417 is a prime.

It is a super-2 number, since 2×1340372812 = 35931985395745922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (134037287) 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, 162851 + ... + 163671.

It is an arithmetic number, because the mean of its divisors is an integer number (9735768).

Almost surely, 2134037281 is an apocalyptic number.

It is an amenable number.

134037281 is a deficient number, since it is larger than the sum of its proper divisors (21735007).

134037281 is an equidigital number, since it uses as much as digits as its factorization.

134037281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 134037281 is about 11577.4470847420. The cubic root of 134037281 is about 511.7704468703.

The spelling of 134037281 in words is "one hundred thirty-four million, thirty-seven thousand, two hundred eighty-one".

Divisors: 1 7 83 281 581 821 1967 5747 23323 68143 163261 230701 477001 1614907 19148183 134037281