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134444031 = 3199722441
BaseRepresentation
bin10000000001101…
…11001111111111
3100100222110112120
420000313033333
5233404202111
621201334023
73221520051
oct1000671777
9310873476
10134444031
1169987877
1239037313
1321b134a7
1413bd98d1
15bc0a406
hex80373ff

134444031 has 8 divisors (see below), whose sum is σ = 179356464. Its totient is φ = 89580480.

The previous prime is 134444003. The next prime is 134444033. The reversal of 134444031 is 130444431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-134444031 is a prime.

It is a super-2 number, since 2×1344440312 = 36150394943057922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 134443992 and 134444010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134444033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5230 + ... + 17211.

It is an arithmetic number, because the mean of its divisors is an integer number (22419558).

Almost surely, 2134444031 is an apocalyptic number.

134444031 is a deficient number, since it is larger than the sum of its proper divisors (44912433).

134444031 is a wasteful number, since it uses less digits than its factorization.

134444031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24441.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 134444031 is about 11595.0002587322. Note that the first 3 decimals coincide. The cubic root of 134444031 is about 512.2875975673.

Adding to 134444031 its reverse (130444431), we get a palindrome (264888462).

The spelling of 134444031 in words is "one hundred thirty-four million, four hundred forty-four thousand, thirty-one".

Divisors: 1 3 1997 5991 22441 67323 44814677 134444031