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297992252 = 221714929411
BaseRepresentation
bin10001110000110…
…000000000111100
3202202201120112002
4101300300000330
51102241223002
645323001432
710245615035
oct2160600074
9682646462
10297992252
11143232a98
1283969278
1349976c9c
142b80da8c
151b264002
hex11c3003c

297992252 has 24 divisors (see below), whose sum is σ = 555886800. Its totient is φ = 139285760.

The previous prime is 297992251. The next prime is 297992263. The reversal of 297992252 is 252299792.

It is a junction number, because it is equal to n+sod(n) for n = 297992197 and 297992206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (297992251) 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, 4574 + ... + 24837.

It is an arithmetic number, because the mean of its divisors is an integer number (23161950).

Almost surely, 2297992252 is an apocalyptic number.

It is an amenable number.

297992252 is a deficient number, since it is larger than the sum of its proper divisors (257894548).

297992252 is a wasteful number, since it uses less digits than its factorization.

297992252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29581 (or 29579 counting only the distinct ones).

The product of its digits is 408240, while the sum is 47.

The square root of 297992252 is about 17262.4520853788. The cubic root of 297992252 is about 667.9362142831.

The spelling of 297992252 in words is "two hundred ninety-seven million, nine hundred ninety-two thousand, two hundred fifty-two".

Divisors: 1 2 4 17 34 68 149 298 596 2533 5066 10132 29411 58822 117644 499987 999974 1999948 4382239 8764478 17528956 74498063 148996126 297992252