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47235930 = 2357435231
BaseRepresentation
bin1011010000110…
…0001101011010
310021212211111220
42310030031122
544043022210
64404232510
71112333040
oct264141532
9107784456
1047235930
1124733065
121399b736
139a2b271
1463b8390
154230c70
hex2d0c35a

47235930 has 64 divisors (see below), whose sum is σ = 132599808. Its totient is φ = 10543680.

The previous prime is 47235901. The next prime is 47235959. The reversal of 47235930 is 3953274.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (47235901) and next prime (47235959).

It is a junction number, because it is equal to n+sod(n) for n = 47235891 and 47235900.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6415 + ... + 11645.

It is an arithmetic number, because the mean of its divisors is an integer number (2071872).

Almost surely, 247235930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47235930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66299904).

47235930 is an abundant number, since it is smaller than the sum of its proper divisors (85363878).

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

47235930 is a wasteful number, since it uses less digits than its factorization.

47235930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5291.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 47235930 is about 6872.8400243276. The cubic root of 47235930 is about 361.4854517235.

The spelling of 47235930 in words is "forty-seven million, two hundred thirty-five thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 43 70 86 105 129 210 215 258 301 430 602 645 903 1290 1505 1806 3010 4515 5231 9030 10462 15693 26155 31386 36617 52310 73234 78465 109851 156930 183085 219702 224933 366170 449866 549255 674799 1098510 1124665 1349598 1574531 2249330 3149062 3373995 4723593 6747990 7872655 9447186 15745310 23617965 47235930