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47329972 = 22172924001
BaseRepresentation
bin1011010010001…
…1001010110100
310022001121111221
42310203022310
544104024342
64410240124
71113204154
oct264431264
9108047457
1047329972
1124797788
1213a26044
139a62001
146400764
15424da67
hex2d232b4

47329972 has 24 divisors (see below), whose sum is σ = 90727560. Its totient is φ = 21504000.

The previous prime is 47329967. The next prime is 47329973. The reversal of 47329972 is 27992374.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8317456 + 39012516 = 2884^2 + 6246^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47329973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10029 + ... + 13972.

It is an arithmetic number, because the mean of its divisors is an integer number (3780315).

Almost surely, 247329972 is an apocalyptic number.

It is an amenable number.

47329972 is a deficient number, since it is larger than the sum of its proper divisors (43397588).

47329972 is a wasteful number, since it uses less digits than its factorization.

47329972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24051 (or 24049 counting only the distinct ones).

The product of its digits is 190512, while the sum is 43.

The square root of 47329972 is about 6879.6781901481. The cubic root of 47329972 is about 361.7251864599.

The spelling of 47329972 in words is "forty-seven million, three hundred twenty-nine thousand, nine hundred seventy-two".

Divisors: 1 2 4 17 29 34 58 68 116 493 986 1972 24001 48002 96004 408017 696029 816034 1392058 1632068 2784116 11832493 23664986 47329972