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49331000 = 235349331
BaseRepresentation
bin1011110000101…
…1101100111000
310102211021102002
42330023230320
5100112043000
64521200132
71136210105
oct274135470
9112737362
1049331000
1125934124
1214630048
13a2b2a54
1467a1aac
1544e68d5
hex2f0bb38

49331000 has 32 divisors (see below), whose sum is σ = 115436880. Its totient is φ = 19732000.

The previous prime is 49330927. The next prime is 49331017. The reversal of 49331000 is 13394.

It is a super-2 number, since 2×493310002 = 4867095122000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23666 + ... + 25665.

Almost surely, 249331000 is an apocalyptic number.

49331000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49331000 is an abundant number, since it is smaller than the sum of its proper divisors (66105880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49331000 is a wasteful number, since it uses less digits than its factorization.

49331000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49352 (or 49338 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 49331000 is about 7023.6030639551. The cubic root of 49331000 is about 366.7526887244.

Adding to 49331000 its reverse (13394), we get a palindrome (49344394).

The spelling of 49331000 in words is "forty-nine million, three hundred thirty-one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 49331 98662 197324 246655 394648 493310 986620 1233275 1973240 2466550 4933100 6166375 9866200 12332750 24665500 49331000