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998044372 = 221333372
BaseRepresentation
bin111011011111001…
…111001011010100
32120112222220111101
4323133033023110
54020444404442
6243011315444
733506144233
oct7337171324
92515886441
10998044372
11472408566
1223a2abb84
1312ba04000
149679cb1a
155c946cb7
hex3b7cf2d4

998044372 has 36 divisors (see below), whose sum is σ = 1897690620. Its totient is φ = 459268992.

The previous prime is 998044357. The next prime is 998044387. The reversal of 998044372 is 273440899.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is an interprime number because it is at equal distance from previous prime (998044357) and next prime (998044387).

It can be written as a sum of positive squares in 6 ways, for example, as 878885316 + 119159056 = 29646^2 + 10916^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2961388 + ... + 2961724.

Almost surely, 2998044372 is an apocalyptic number.

It is an amenable number.

998044372 is a deficient number, since it is larger than the sum of its proper divisors (899646248).

998044372 is an equidigital number, since it uses as much as digits as its factorization.

998044372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717 (or 352 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 998044372 is about 31591.8402756155. The cubic root of 998044372 is about 999.3476985954.

The spelling of 998044372 in words is "nine hundred ninety-eight million, forty-four thousand, three hundred seventy-two".

Divisors: 1 2 4 13 26 52 169 337 338 674 676 1348 2197 4381 4394 8762 8788 17524 56953 113569 113906 227138 227812 454276 740389 1476397 1480778 2952794 2961556 5905588 19193161 38386322 76772644 249511093 499022186 998044372