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297446442 = 23232155409
BaseRepresentation
bin10001101110101…
…010110000101010
3202201200211210220
4101232222300222
51102121241232
645303150510
710241152536
oct2156526052
9681624726
10297446442
1114299aa07
1283745436
1349815717
142b70abc6
151b1a742c
hex11baac2a

297446442 has 16 divisors (see below), whose sum is σ = 620758080. Its totient is φ = 94837952.

The previous prime is 297446423. The next prime is 297446447. The reversal of 297446442 is 244644792.

It is a junction number, because it is equal to n+sod(n) for n = 297446394 and 297446403.

It is not an unprimeable number, because it can be changed into a prime (297446447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1077567 + ... + 1077842.

It is an arithmetic number, because the mean of its divisors is an integer number (38797380).

Almost surely, 2297446442 is an apocalyptic number.

297446442 is an abundant number, since it is smaller than the sum of its proper divisors (323311638).

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

297446442 is a wasteful number, since it uses less digits than its factorization.

297446442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2155437.

The product of its digits is 387072, while the sum is 42.

The square root of 297446442 is about 17246.6356719216. The cubic root of 297446442 is about 667.5281622031.

The spelling of 297446442 in words is "two hundred ninety-seven million, four hundred forty-six thousand, four hundred forty-two".

Divisors: 1 2 3 6 23 46 69 138 2155409 4310818 6466227 12932454 49574407 99148814 148723221 297446442