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47660340 = 223572132943
BaseRepresentation
bin1011010111001…
…1110100110100
310022200101200210
42311303310310
544200112330
64421305420
71116051300
oct265636464
9108611623
1047660340
11249a2a12
1213b65270
139b494b0
146488d00
1542b68b0
hex2d73d34

47660340 has 288 divisors, whose sum is σ = 176964480. Its totient is φ = 9483264.

The previous prime is 47660323. The next prime is 47660357. The reversal of 47660340 is 4306674.

It is an interprime number because it is at equal distance from previous prime (47660323) and next prime (47660357).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 47660298 and 47660307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1108359 + ... + 1108401.

It is an arithmetic number, because the mean of its divisors is an integer number (614460).

Almost surely, 247660340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47660340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88482240).

47660340 is an abundant number, since it is smaller than the sum of its proper divisors (129304140).

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

47660340 is a wasteful number, since it uses less digits than its factorization.

47660340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 47660340 is about 6903.6468623475. The cubic root of 47660340 is about 362.5648619568.

The spelling of 47660340 in words is "forty-seven million, six hundred sixty thousand, three hundred forty".