Search a number
-
+
290134310400 = 29335211167457
BaseRepresentation
bin1000011100011010101…
…10100011111000000000
31000201212221220001212000
410032031112203320000
514223143340413100
6341141425104000
726650540643034
oct4161526437000
91021787801760
10290134310400
11102055288720
1248291488000
1321489c08b5c
1410084b821c4
1578314d1900
hex438d5a3e00

290134310400 has 960 divisors, whose sum is σ = 1171260034560. Its totient is φ = 69761433600.

The previous prime is 290134310369. The next prime is 290134310419. The reversal of 290134310400 is 4013431092.

It is a tau number, because it is divible by the number of its divisors (960).

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

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, 634866972 + ... + 634867428.

It is an arithmetic number, because the mean of its divisors is an integer number (1220062536).

Almost surely, 2290134310400 is an apocalyptic number.

290134310400 is a gapful number since it is divisible by the number (20) 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 290134310400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (585630017280).

290134310400 is an abundant number, since it is smaller than the sum of its proper divisors (881125724160).

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

290134310400 is a wasteful number, since it uses less digits than its factorization.

290134310400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672 (or 645 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 290134310400 its reverse (4013431092), we get a palindrome (294147741492).

The spelling of 290134310400 in words is "two hundred ninety billion, one hundred thirty-four million, three hundred ten thousand, four hundred".