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99682477 = 372694121
BaseRepresentation
bin1011111000100…
…00100010101101
320221120101122121
411330100202231
5201004314402
613520312541
72320200316
oct574204255
9227511577
1099682477
11512a4a14
1229472751
131786211b
14d34b60d
158b40837
hex5f108ad

99682477 has 4 divisors (see below), whose sum is σ = 102376636. Its totient is φ = 96988320.

The previous prime is 99682469. The next prime is 99682481. The reversal of 99682477 is 77428699.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77428699 = 139557041.

It can be written as a sum of positive squares in 2 ways, for example, as 61168041 + 38514436 = 7821^2 + 6206^2 .

It is a cyclic number.

It is not a de Polignac number, because 99682477 - 23 = 99682469 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 (99682277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1347024 + ... + 1347097.

It is an arithmetic number, because the mean of its divisors is an integer number (25594159).

Almost surely, 299682477 is an apocalyptic number.

It is an amenable number.

99682477 is a deficient number, since it is larger than the sum of its proper divisors (2694159).

99682477 is a wasteful number, since it uses less digits than its factorization.

99682477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2694158.

The product of its digits is 1524096, while the sum is 52.

The square root of 99682477 is about 9984.1112273452. Note that the first 3 decimals coincide. The cubic root of 99682477 is about 463.6670920729.

The spelling of 99682477 in words is "ninety-nine million, six hundred eighty-two thousand, four hundred seventy-seven".

Divisors: 1 37 2694121 99682477