Search a number
-
+
47381232 = 2439411049
BaseRepresentation
bin1011010010111…
…1101011110000
310022011012211110
42310233223300
544112144412
64411313320
71113506463
oct264575360
9108135743
1047381232
1124822248
1213a4b840
139a7c442
1464152da
15425dd3c
hex2d2faf0

47381232 has 40 divisors (see below), whose sum is σ = 122648400. Its totient is φ = 15761920.

The previous prime is 47381207. The next prime is 47381263. The reversal of 47381232 is 23218374.

It is a super-2 number, since 2×473812322 = 4489962291675648, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47381232.

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, 44644 + ... + 45692.

It is an arithmetic number, because the mean of its divisors is an integer number (3066210).

Almost surely, 247381232 is an apocalyptic number.

It is an amenable number.

47381232 is an abundant number, since it is smaller than the sum of its proper divisors (75267168).

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

47381232 is a wasteful number, since it uses less digits than its factorization.

47381232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001 (or 1995 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 47381232 is about 6883.4026469472. The cubic root of 47381232 is about 361.8557263159.

The spelling of 47381232 in words is "forty-seven million, three hundred eighty-one thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 941 1049 1882 2098 2823 3147 3764 4196 5646 6294 7528 8392 11292 12588 15056 16784 22584 25176 45168 50352 987109 1974218 2961327 3948436 5922654 7896872 11845308 15793744 23690616 47381232