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49898025 = 345241601
BaseRepresentation
bin1011111001011…
…0001000101001
310110220002020000
42332112020221
5100233214100
64541253213
71144061202
oct276261051
9113802200
1049898025
1126191141
1214864209
13a450b78
1468ac5a9
1545a9900
hex2f96229

49898025 has 60 divisors (see below), whose sum is σ = 94840284. Its totient is φ = 25920000.

The previous prime is 49898021. The next prime is 49898029. The reversal of 49898025 is 52089894.

49898025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (49898021) and next prime (49898029).

It can be written as a sum of positive squares in 6 ways, for example, as 2742336 + 47155689 = 1656^2 + 6867^2 .

It is not a de Polignac number, because 49898025 - 22 = 49898021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (49898021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 82725 + ... + 83325.

Almost surely, 249898025 is an apocalyptic number.

49898025 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

49898025 is a deficient number, since it is larger than the sum of its proper divisors (44942259).

49898025 is a wasteful number, since it uses less digits than its factorization.

49898025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664 (or 650 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 49898025 is about 7063.8534101438. The cubic root of 49898025 is about 368.1525266634.

The spelling of 49898025 in words is "forty-nine million, eight hundred ninety-eight thousand, twenty-five".

Divisors: 1 3 5 9 15 25 27 41 45 75 81 123 135 205 225 369 405 601 615 675 1025 1107 1803 1845 2025 3005 3075 3321 5409 5535 9015 9225 15025 16227 16605 24641 27045 27675 45075 48681 73923 81135 83025 123205 135225 221769 243405 369615 405675 616025 665307 1108845 1217025 1848075 1995921 3326535 5544225 9979605 16632675 49898025