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99996405 = 3523927893
BaseRepresentation
bin1011111010111…
…01001011110101
320222011100021120
411331131023311
5201044341110
613531134153
72322645465
oct575351365
9228140246
1099996405
1151499863
12295a4359
1317941c92
14d3cdba5
158ba3870
hex5f5d2f5

99996405 has 16 divisors (see below), whose sum is σ = 160669440. Its totient is φ = 53106368.

The previous prime is 99996389. The next prime is 99996409. The reversal of 99996405 is 50469999.

It is a cyclic number.

It is not a de Polignac number, because 99996405 - 24 = 99996389 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99996409) 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, 10362 + ... + 17531.

It is an arithmetic number, because the mean of its divisors is an integer number (10041840).

Almost surely, 299996405 is an apocalyptic number.

It is an amenable number.

99996405 is a deficient number, since it is larger than the sum of its proper divisors (60673035).

99996405 is a wasteful number, since it uses less digits than its factorization.

99996405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28140.

The product of its (nonzero) digits is 787320, while the sum is 51.

The square root of 99996405 is about 9999.8202483845. The cubic root of 99996405 is about 464.1533211240.

The spelling of 99996405 in words is "ninety-nine million, nine hundred ninety-six thousand, four hundred five".

Divisors: 1 3 5 15 239 717 1195 3585 27893 83679 139465 418395 6666427 19999281 33332135 99996405