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84997501 = 172491599
BaseRepresentation
bin1010001000011…
…11010101111101
312220221022122121
411010033111331
5133224410001
612233442541
72051316061
oct504172575
9186838577
1084997501
1143a84976
1224570451
13147bcca4
14b407aa1
1576de6a1
hex510f57d

84997501 has 12 divisors (see below), whose sum is σ = 90626400. Its totient is φ = 79701440.

The previous prime is 84997499. The next prime is 84997529. The reversal of 84997501 is 10579948.

It is not a de Polignac number, because 84997501 - 21 = 84997499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84997201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141600 + ... + 142198.

It is an arithmetic number, because the mean of its divisors is an integer number (7552200).

Almost surely, 284997501 is an apocalyptic number.

It is an amenable number.

84997501 is a deficient number, since it is larger than the sum of its proper divisors (5628899).

84997501 is a wasteful number, since it uses less digits than its factorization.

84997501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124 (or 1107 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 84997501 is about 9219.4089289932. The cubic root of 84997501 is about 439.6786582805.

The spelling of 84997501 in words is "eighty-four million, nine hundred ninety-seven thousand, five hundred one".

Divisors: 1 17 289 491 599 8347 10183 141899 173111 294109 4999853 84997501