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49414545 = 3251098101
BaseRepresentation
bin1011110010000…
…0000110010001
310102222112000100
42330200012101
5100122231140
64523043013
71140005505
oct274400621
9112875010
1049414545
1125990974
1214670469
13a311a9b
1467c4305
154511530
hex2f20191

49414545 has 12 divisors (see below), whose sum is σ = 85651956. Its totient is φ = 26354400.

The previous prime is 49414537. The next prime is 49414549. The reversal of 49414545 is 54541494.

It can be written as a sum of positive squares in 2 ways, for example, as 25765776 + 23648769 = 5076^2 + 4863^2 .

It is not a de Polignac number, because 49414545 - 23 = 49414537 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (49414549) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 549006 + ... + 549095.

It is an arithmetic number, because the mean of its divisors is an integer number (7137663).

Almost surely, 249414545 is an apocalyptic number.

49414545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

49414545 is a deficient number, since it is larger than the sum of its proper divisors (36237411).

49414545 is a wasteful number, since it uses less digits than its factorization.

49414545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098112 (or 1098109 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 49414545 is about 7029.5479940036. The cubic root of 49414545 is about 366.9596111636.

The spelling of 49414545 in words is "forty-nine million, four hundred fourteen thousand, five hundred forty-five".

Divisors: 1 3 5 9 15 45 1098101 3294303 5490505 9882909 16471515 49414545