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42243597 = 3211538397
BaseRepresentation
bin1010000100100…
…1011000001101
32221111012022200
42201021120031
541303243342
64105232113
71022031114
oct241113015
987435280
1042243597
1121933270
1212192639
1389a0b16
145878c7b
153a9694c
hex284960d

42243597 has 48 divisors (see below), whose sum is σ = 69346368. Its totient is φ = 24560640.

The previous prime is 42243577. The next prime is 42243601. The reversal of 42243597 is 79534224.

42243597 is a `hidden beast` number, since 4 + 22 + 43 + 597 = 666.

It is not a de Polignac number, because 42243597 - 210 = 42242573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42243527) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 435453 + ... + 435549.

It is an arithmetic number, because the mean of its divisors is an integer number (1444716).

Almost surely, 242243597 is an apocalyptic number.

It is an amenable number.

42243597 is a deficient number, since it is larger than the sum of its proper divisors (27102771).

42243597 is a wasteful number, since it uses less digits than its factorization.

42243597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250 (or 247 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 42243597 is about 6499.5074428760. The cubic root of 42243597 is about 348.2733929711.

The spelling of 42243597 in words is "forty-two million, two hundred forty-three thousand, five hundred ninety-seven".

Divisors: 1 3 9 11 33 53 83 97 99 159 249 291 477 583 747 873 913 1067 1749 2739 3201 4399 5141 5247 8051 8217 9603 13197 15423 24153 39591 46269 48389 56551 72459 88561 145167 169653 265683 426703 435501 508959 797049 1280109 3840327 4693733 14081199 42243597