Search a number
-
+
47238156 = 22327261439
BaseRepresentation
bin1011010000110…
…0110000001100
310021212221120100
42310030300030
544043110111
64404251100
71112342400
oct264146014
9107787510
1047238156
11247347a9
12139a0a90
139a2c294
1463b9100
154231756
hex2d0cc0c

47238156 has 108 divisors (see below), whose sum is σ = 141501360. Its totient is φ = 13245120.

The previous prime is 47238143. The next prime is 47238193. The reversal of 47238156 is 65183274.

47238156 is a `hidden beast` number, since 472 + 38 + 156 = 666.

It is a super-6 number, since 6×472381566 (a number of 47 digits) contains 666666 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 47238156.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 107385 + ... + 107823.

Almost surely, 247238156 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 47238156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70750680).

47238156 is an abundant number, since it is smaller than the sum of its proper divisors (94263204).

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

47238156 is a wasteful number, since it uses less digits than its factorization.

47238156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524 (or 512 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 47238156 is about 6873.0019642075. The cubic root of 47238156 is about 361.4911299856.

The spelling of 47238156 in words is "forty-seven million, two hundred thirty-eight thousand, one hundred fifty-six".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 49 61 63 84 98 122 126 147 183 196 244 252 294 366 427 439 441 549 588 732 854 878 882 1098 1281 1317 1708 1756 1764 2196 2562 2634 2989 3073 3843 3951 5124 5268 5978 6146 7686 7902 8967 9219 11956 12292 15372 15804 17934 18438 21511 26779 26901 27657 35868 36876 43022 53558 53802 55314 64533 80337 86044 107116 107604 110628 129066 160674 187453 193599 241011 258132 321348 374906 387198 482022 562359 749812 774396 964044 1124718 1312171 1687077 2249436 2624342 3374154 3936513 5248684 6748308 7873026 11809539 15746052 23619078 47238156