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2997998453 = 291011023557
BaseRepresentation
bin1011001010110001…
…1101001101110101
321201221021002201202
42302230131031311
522114441422303
61213253302245
7134202365162
oct26254351565
97657232652
102997998453
1112a932367a
126b8034985
1338a1634a8
14206245069
151282eac88
hexb2b1d375

2997998453 has 8 divisors (see below), whose sum is σ = 3132087480. Its totient is φ = 2865956800.

The previous prime is 2997998441. The next prime is 2997998459. The reversal of 2997998453 is 3548997992.

It can be written as a sum of positive squares in 4 ways, for example, as 2169882724 + 828115729 = 46582^2 + 28777^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2997998453 - 218 = 2997736309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2997998453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2997998459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 508850 + ... + 514707.

It is an arithmetic number, because the mean of its divisors is an integer number (391510935).

Almost surely, 22997998453 is an apocalyptic number.

It is an amenable number.

2997998453 is a deficient number, since it is larger than the sum of its proper divisors (134089027).

2997998453 is a wasteful number, since it uses less digits than its factorization.

2997998453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023687.

The product of its digits is 44089920, while the sum is 65.

The square root of 2997998453 is about 54753.9811611905. The cubic root of 2997998453 is about 1441.9287511373.

The spelling of 2997998453 in words is "two billion, nine hundred ninety-seven million, nine hundred ninety-eight thousand, four hundred fifty-three".

Divisors: 1 29 101 2929 1023557 29683153 103379257 2997998453