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49273431 = 341400597
BaseRepresentation
bin1011101111110…
…1101001010111
310102201100102220
42323331221113
5100103222211
64520033423
71135550214
oct273755127
9112640386
1049273431
11258a4949
1214602873
13a29279c
146788b0b
1544d4806
hex2efda57

49273431 has 8 divisors (see below), whose sum is σ = 67300464. Its totient is φ = 32047680.

The previous prime is 49273409. The next prime is 49273439. The reversal of 49273431 is 13437294.

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-49273431 is a prime.

It is a super-2 number, since 2×492734312 = 4855742005023522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 49273392 and 49273401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49273439) 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, 200176 + ... + 200421.

It is an arithmetic number, because the mean of its divisors is an integer number (8412558).

Almost surely, 249273431 is an apocalyptic number.

49273431 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

49273431 is a deficient number, since it is larger than the sum of its proper divisors (18027033).

49273431 is a wasteful number, since it uses less digits than its factorization.

49273431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400641.

The product of its digits is 18144, while the sum is 33.

The square root of 49273431 is about 7019.5036149289. The cubic root of 49273431 is about 366.6099670821.

The spelling of 49273431 in words is "forty-nine million, two hundred seventy-three thousand, four hundred thirty-one".

Divisors: 1 3 41 123 400597 1201791 16424477 49273431