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134244440 = 23511305101
BaseRepresentation
bin10000000000001…
…10100001011000
3100100121022202022
420000012201120
5233331310230
621153154012
73220026131
oct1000064130
9310538668
10134244440
1169860920
1238b5b908
1321a736a5
1413b86c88
15bbbb1e5
hex8006858

134244440 has 32 divisors (see below), whose sum is σ = 329510160. Its totient is φ = 48816000.

The previous prime is 134244437. The next prime is 134244479. The reversal of 134244440 is 44442431.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152111 + ... + 152990.

Almost surely, 2134244440 is an apocalyptic number.

134244440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134244440 is an abundant number, since it is smaller than the sum of its proper divisors (195265720).

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

134244440 is a wasteful number, since it uses less digits than its factorization.

134244440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305123 (or 305119 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 134244440 is about 11586.3902920625. The cubic root of 134244440 is about 512.0339638114.

Adding to 134244440 its reverse (44442431), we get a palindrome (178686871).

The spelling of 134244440 in words is "one hundred thirty-four million, two hundred forty-four thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 305101 610202 1220404 1525505 2440808 3051010 3356111 6102020 6712222 12204040 13424444 16780555 26848888 33561110 67122220 134244440