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47490300 = 223452111341
BaseRepresentation
bin1011010100101…
…0010011111100
310022100202110000
42311022103330
544124142200
64413514300
71114442454
oct265122374
9108322400
1047490300
1124897190
1213aa2990
139ab9c90
146442d64
154281300
hex2d4a4fc

47490300 has 360 divisors, whose sum is σ = 185269392. Its totient is φ = 10368000.

The previous prime is 47490271. The next prime is 47490307. The reversal of 47490300 is 309474.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47490307) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1158280 + ... + 1158320.

Almost surely, 247490300 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 47490300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92634696).

47490300 is an abundant number, since it is smaller than the sum of its proper divisors (137779092).

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

47490300 is a wasteful number, since it uses less digits than its factorization.

47490300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 47490300 is about 6891.3206281525. The cubic root of 47490300 is about 362.1331683473.

Adding to 47490300 its reverse (309474), we get a palindrome (47799774).

The spelling of 47490300 in words is "forty-seven million, four hundred ninety thousand, three hundred".