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47953152 = 2832131601
BaseRepresentation
bin1011011011101…
…1010100000000
310100020021100200
42312323110000
544234000102
64431445200
71121411052
oct266732400
9110207320
1047953152
1125082a05
1214086800
139c1c860
1465238d2
15432351c
hex2dbb500

47953152 has 108 divisors (see below), whose sum is σ = 148989204. Its totient is φ = 14745600.

The previous prime is 47953123. The next prime is 47953159. The reversal of 47953152 is 25135974.

47953152 is a `hidden beast` number, since 4 + 79 + 531 + 52 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 32080896 + 15872256 = 5664^2 + 3984^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47953159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29152 + ... + 30752.

Almost surely, 247953152 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 47953152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74494602).

47953152 is an abundant number, since it is smaller than the sum of its proper divisors (101036052).

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

47953152 is a wasteful number, since it uses less digits than its factorization.

47953152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636 (or 1619 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 47953152 is about 6924.8214417413. The cubic root of 47953152 is about 363.3058461002.

The spelling of 47953152 in words is "forty-seven million, nine hundred fifty-three thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 64 72 78 96 104 117 128 144 156 192 208 234 256 288 312 384 416 468 576 624 768 832 936 1152 1248 1601 1664 1872 2304 2496 3202 3328 3744 4803 4992 6404 7488 9606 9984 12808 14409 14976 19212 20813 25616 28818 29952 38424 41626 51232 57636 62439 76848 83252 102464 115272 124878 153696 166504 187317 204928 230544 249756 307392 333008 374634 409856 461088 499512 614784 666016 749268 922176 999024 1229568 1332032 1498536 1844352 1998048 2664064 2997072 3688704 3996096 5328128 5994144 7992192 11988288 15984384 23976576 47953152