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49471000 = 235361811
BaseRepresentation
bin1011110010110…
…1111000011000
310110002101110021
42330231320120
5100131033000
64524200224
71140332215
oct274557030
9113071407
1049471000
1125a1a327
1214699074
13a3316a7
1467dab0c
15452311a
hex2f2de18

49471000 has 64 divisors (see below), whose sum is σ = 117804960. Its totient is φ = 19440000.

The previous prime is 49470977. The next prime is 49471033. The reversal of 49471000 is 17494.

It is a super-3 number, since 3×494710003 (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60595 + ... + 61405.

Almost surely, 249471000 is an apocalyptic number.

49471000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49471000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58902480).

49471000 is an abundant number, since it is smaller than the sum of its proper divisors (68333960).

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

49471000 is a wasteful number, since it uses less digits than its factorization.

49471000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893 (or 879 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 49471000 is about 7033.5623975337. The cubic root of 49471000 is about 367.0993056631.

Adding to 49471000 its reverse (17494), we get a palindrome (49488494).

The spelling of 49471000 in words is "forty-nine million, four hundred seventy-one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 61 100 122 125 200 244 250 305 488 500 610 811 1000 1220 1525 1622 2440 3050 3244 4055 6100 6488 7625 8110 12200 15250 16220 20275 30500 32440 40550 49471 61000 81100 98942 101375 162200 197884 202750 247355 395768 405500 494710 811000 989420 1236775 1978840 2473550 4947100 6183875 9894200 12367750 24735500 49471000