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134001440 = 255837509
BaseRepresentation
bin1111111110010…
…11001100100000
3100100010222102022
413333023030200
5233301021230
621144041012
73214664516
oct777131440
9310128368
10134001440
11697052a1
1238a63168
13219b9bc1
1413b224b6
15bb6e1e5
hex7fcb320

134001440 has 24 divisors (see below), whose sum is σ = 316578780. Its totient is φ = 53600512.

The previous prime is 134001409. The next prime is 134001487. The reversal of 134001440 is 44100431.

It can be written as a sum of positive squares in 2 ways, for example, as 127870864 + 6130576 = 11308^2 + 2476^2 .

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, 418595 + ... + 418914.

Almost surely, 2134001440 is an apocalyptic number.

134001440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134001440 is an abundant number, since it is smaller than the sum of its proper divisors (182577340).

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

134001440 is an equidigital number, since it uses as much as digits as its factorization.

134001440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837524 (or 837516 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 134001440 is about 11575.8991011498. The cubic root of 134001440 is about 511.7248277222.

Adding to 134001440 its reverse (44100431), we get a palindrome (178101871).

The spelling of 134001440 in words is "one hundred thirty-four million, one thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 837509 1675018 3350036 4187545 6700072 8375090 13400144 16750180 26800288 33500360 67000720 134001440