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47780092 = 2238930707
BaseRepresentation
bin1011011001000…
…1000011111100
310022220110222001
42312101003330
544212430332
64424032044
71120060363
oct266210374
9108813861
1047780092
1124a74988
1214002624
139b8bb59
1464ba7da
1542dc0e7
hex2d910fc

47780092 has 12 divisors (see below), whose sum is σ = 83832840. Its totient is φ = 23827856.

The previous prime is 47780087. The next prime is 47780093. The reversal of 47780092 is 29008774.

It is a happy number.

47780092 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47780093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13798 + ... + 16909.

It is an arithmetic number, because the mean of its divisors is an integer number (6986070).

Almost surely, 247780092 is an apocalyptic number.

It is an amenable number.

47780092 is a deficient number, since it is larger than the sum of its proper divisors (36052748).

47780092 is a wasteful number, since it uses less digits than its factorization.

47780092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31100 (or 31098 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 47780092 is about 6912.3145183072. The cubic root of 47780092 is about 362.8682697372.

The spelling of 47780092 in words is "forty-seven million, seven hundred eighty thousand, ninety-two".

Divisors: 1 2 4 389 778 1556 30707 61414 122828 11945023 23890046 47780092