Search a number
-
+
47975328 = 253483223
BaseRepresentation
bin1011011100000…
…0101110100000
310100021101210000
42313000232200
544240202303
64432140000
71121532522
oct267005640
9110241700
1047975328
1125098635
1214097600
139c2998b
14652ba12
154329da3
hex2dc0ba0

47975328 has 120 divisors (see below), whose sum is σ = 143434368. Its totient is φ = 15728256.

The previous prime is 47975311. The next prime is 47975329. The reversal of 47975328 is 82357974.

It is not an unprimeable number, because it can be changed into a prime (47975329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 215025 + ... + 215247.

Almost surely, 247975328 is an apocalyptic number.

47975328 is a gapful number since it is divisible by the number (48) 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 47975328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71717184).

47975328 is an abundant number, since it is smaller than the sum of its proper divisors (95459040).

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

47975328 is a wasteful number, since it uses less digits than its factorization.

47975328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328 (or 311 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 47975328 is about 6926.4224531861. The cubic root of 47975328 is about 363.3618412294.

The spelling of 47975328 in words is "forty-seven million, nine hundred seventy-five thousand, three hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 81 83 96 108 144 162 166 216 223 249 288 324 332 432 446 498 648 664 669 747 864 892 996 1296 1328 1338 1494 1784 1992 2007 2241 2592 2656 2676 2988 3568 3984 4014 4482 5352 5976 6021 6723 7136 7968 8028 8964 10704 11952 12042 13446 16056 17928 18063 18509 21408 23904 24084 26892 32112 35856 36126 37018 48168 53784 55527 64224 71712 72252 74036 96336 107568 111054 144504 148072 166581 192672 215136 222108 289008 296144 333162 444216 499743 578016 592288 666324 888432 999486 1332648 1499229 1776864 1998972 2665296 2998458 3997944 5330592 5996916 7995888 11993832 15991776 23987664 47975328