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47090880 = 2632583197
BaseRepresentation
bin1011001110100…
…0110011000000
310021121110112200
42303220303000
544023402010
64401153200
71111160124
oct263506300
9107543480
1047090880
1124644091
121392b800
1399aa235
14637b584
154202cc0
hex2ce8cc0

47090880 has 168 divisors, whose sum is σ = 164756592. Its totient is φ = 12343296.

The previous prime is 47090861. The next prime is 47090893. The reversal of 47090880 is 8809074.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 238942 + ... + 239138.

It is an arithmetic number, because the mean of its divisors is an integer number (980694).

Almost surely, 247090880 is an apocalyptic number.

47090880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47090880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82378296).

47090880 is an abundant number, since it is smaller than the sum of its proper divisors (117665712).

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

47090880 is a wasteful number, since it uses less digits than its factorization.

47090880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 47090880 is about 6862.2795046544. The cubic root of 47090880 is about 361.1150611709.

The spelling of 47090880 in words is "forty-seven million, ninety thousand, eight hundred eighty".