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297380490 = 235112176179
BaseRepresentation
bin10001101110011…
…010101010001010
3202201120111100020
4101232122222022
51102112133430
645301521310
710240456341
oct2156325212
9681514306
10297380490
11142955400
1283713236
13497c16b4
142b6d0b58
151b192b10
hex11b9aa8a

297380490 has 192 divisors, whose sum is σ = 854945280. Its totient is φ = 65894400.

The previous prime is 297380483. The next prime is 297380513. The reversal of 297380490 is 94083792.

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, 3764271 + ... + 3764349.

It is an arithmetic number, because the mean of its divisors is an integer number (4452840).

Almost surely, 2297380490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 297380490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (427472640).

297380490 is an abundant number, since it is smaller than the sum of its proper divisors (557564790).

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

297380490 is a wasteful number, since it uses less digits than its factorization.

297380490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 297380490 is about 17244.7235408400. The cubic root of 297380490 is about 667.4788221479.

The spelling of 297380490 in words is "two hundred ninety-seven million, three hundred eighty thousand, four hundred ninety".