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84623253 = 31113197257
BaseRepresentation
bin1010000101100…
…11111110010101
312220020022021120
411002303332111
5133130421003
612221434153
72045200011
oct502637625
9186208246
1084623253
1143849780
122440b959
13146bb840
14b34b541
157668853
hex50b3f95

84623253 has 16 divisors (see below), whose sum is σ = 132557376. Its totient is φ = 47341440.

The previous prime is 84623251. The next prime is 84623257. The reversal of 84623253 is 35232648.

It is a happy number.

It is not a de Polignac number, because 84623253 - 21 = 84623251 is a prime.

It is a super-2 number, since 2×846232532 = 14322189896604018, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84623251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98200 + ... + 99057.

It is an arithmetic number, because the mean of its divisors is an integer number (8284836).

Almost surely, 284623253 is an apocalyptic number.

It is an amenable number.

84623253 is a deficient number, since it is larger than the sum of its proper divisors (47934123).

84623253 is a wasteful number, since it uses less digits than its factorization.

84623253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197284.

The product of its digits is 34560, while the sum is 33.

The square root of 84623253 is about 9199.0897919305. The cubic root of 84623253 is about 439.0324002356.

The spelling of 84623253 in words is "eighty-four million, six hundred twenty-three thousand, two hundred fifty-three".

Divisors: 1 3 11 13 33 39 143 429 197257 591771 2169827 2564341 6509481 7693023 28207751 84623253