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297543142 = 21311443967
BaseRepresentation
bin10001101111000…
…010010111100110
3202201212202110101
4101233002113212
51102132340032
645305214314
710242034501
oct2157022746
9681782411
10297543142
11142a56626
128379139a
134984a740
142b734138
151b1c5de7
hex11bc25e6

297543142 has 8 divisors (see below), whose sum is σ = 480646656. Its totient is φ = 137327592.

The previous prime is 297543137. The next prime is 297543143. The reversal of 297543142 is 241345792.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (297543143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5721958 + ... + 5722009.

It is an arithmetic number, because the mean of its divisors is an integer number (60080832).

Almost surely, 2297543142 is an apocalyptic number.

297543142 is a deficient number, since it is larger than the sum of its proper divisors (183103514).

297543142 is a wasteful number, since it uses less digits than its factorization.

297543142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11443982.

The product of its digits is 60480, while the sum is 37.

The square root of 297543142 is about 17249.4388894248. The cubic root of 297543142 is about 667.6004922883.

It can be divided in two parts, 29754 and 3142, that added together give a triangular number (32896 = T256).

The spelling of 297543142 in words is "two hundred ninety-seven million, five hundred forty-three thousand, one hundred forty-two".

Divisors: 1 2 13 26 11443967 22887934 148771571 297543142