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49131028 = 2250324419
BaseRepresentation
bin1011101101101…
…0111000010100
310102110010002201
42323122320110
5100034143103
64513014244
71134415102
oct273327024
9112403081
1049131028
1125807961
1214554384
13a242a1b
14674cc72
1544a751d
hex2edae14

49131028 has 12 divisors (see below), whose sum is σ = 86153760. Its totient is φ = 24515672.

The previous prime is 49131023. The next prime is 49131029. The reversal of 49131028 is 82013194.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 49130987 and 49131005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49131023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10198 + ... + 14221.

It is an arithmetic number, because the mean of its divisors is an integer number (7179480).

Almost surely, 249131028 is an apocalyptic number.

It is an amenable number.

49131028 is a deficient number, since it is larger than the sum of its proper divisors (37022732).

49131028 is a wasteful number, since it uses less digits than its factorization.

49131028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24926 (or 24924 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 49131028 is about 7009.3528945260. The cubic root of 49131028 is about 366.2564517961.

The spelling of 49131028 in words is "forty-nine million, one hundred thirty-one thousand, twenty-eight".

Divisors: 1 2 4 503 1006 2012 24419 48838 97676 12282757 24565514 49131028