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47981796 = 22310737369
BaseRepresentation
bin1011011100001…
…0010011100100
310100021201122120
42313002103210
544240404141
64432225540
71121560422
oct267022344
9110251576
1047981796
11250a2485
121409b2b0
139c2c8c5
146530112
15432bc66
hex2dc24e4

47981796 has 24 divisors (see below), whose sum is σ = 113006880. Its totient is φ = 15844032.

The previous prime is 47981789. The next prime is 47981797. The reversal of 47981796 is 69718974.

It is not an unprimeable number, because it can be changed into a prime (47981797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17401 + ... + 19968.

It is an arithmetic number, because the mean of its divisors is an integer number (4708620).

Almost surely, 247981796 is an apocalyptic number.

It is an amenable number.

47981796 is an abundant number, since it is smaller than the sum of its proper divisors (65025084).

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

47981796 is a wasteful number, since it uses less digits than its factorization.

47981796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37483 (or 37481 counting only the distinct ones).

The product of its digits is 762048, while the sum is 51.

The square root of 47981796 is about 6926.8893451534. The cubic root of 47981796 is about 363.3781698916.

The spelling of 47981796 in words is "forty-seven million, nine hundred eighty-one thousand, seven hundred ninety-six".

Divisors: 1 2 3 4 6 12 107 214 321 428 642 1284 37369 74738 112107 149476 224214 448428 3998483 7996966 11995449 15993932 23990898 47981796