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20203098 = 2310731469
BaseRepresentation
bin100110100010…
…0011001011010
31102000102102220
41031010121122
520132444343
62001004510
7333503106
oct115043132
942012386
1020203098
1110449983
126923736
1342549c6
14297c906
151b91183
hex134465a

20203098 has 16 divisors (see below), whose sum is σ = 40785120. Its totient is φ = 6671216.

The previous prime is 20203093. The next prime is 20203129. The reversal of 20203098 is 89030202.

It is not an unprimeable number, because it can be changed into a prime (20203093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15093 + ... + 16376.

It is an arithmetic number, because the mean of its divisors is an integer number (2549070).

Almost surely, 220203098 is an apocalyptic number.

20203098 is an abundant number, since it is smaller than the sum of its proper divisors (20582022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20203098 is a wasteful number, since it uses less digits than its factorization.

20203098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31581.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 20203098 is about 4494.7856456120. The cubic root of 20203098 is about 272.3574902236.

The spelling of 20203098 in words is "twenty million, two hundred three thousand, ninety-eight".

Divisors: 1 2 3 6 107 214 321 642 31469 62938 94407 188814 3367183 6734366 10101549 20203098