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47994944 = 2617311423
BaseRepresentation
bin1011011100010…
…1100001000000
310100022101200112
42313011201000
544241314234
64432410452
71121643644
oct267054100
9110271615
1047994944
1125101348
12140a6a28
139c3589a
146534c24
154330ace
hex2dc5840

47994944 has 56 divisors (see below), whose sum is σ = 104168448. Its totient is φ = 21841920.

The previous prime is 47994929. The next prime is 47994953. The reversal of 47994944 is 44949974.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 47994892 and 47994901.

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, 33017 + ... + 34439.

Almost surely, 247994944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47994944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52084224).

47994944 is an abundant number, since it is smaller than the sum of its proper divisors (56173504).

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

47994944 is a wasteful number, since it uses less digits than its factorization.

47994944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483 (or 1473 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 50.

The square root of 47994944 is about 6927.8383352962. The cubic root of 47994944 is about 363.4113578938.

The spelling of 47994944 in words is "forty-seven million, nine hundred ninety-four thousand, nine hundred forty-four".

Divisors: 1 2 4 8 16 17 31 32 34 62 64 68 124 136 248 272 496 527 544 992 1054 1088 1423 1984 2108 2846 4216 5692 8432 11384 16864 22768 24191 33728 44113 45536 48382 88226 91072 96764 176452 193528 352904 387056 705808 749921 774112 1411616 1499842 1548224 2823232 2999684 5999368 11998736 23997472 47994944