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28930098 = 2347173593
BaseRepresentation
bin110111001011…
…1000000110010
32000102210122010
41232113000302
524401230343
62512023350
7500621211
oct156270062
960383563
1028930098
111536a67a
129831b56
135cbc002
143bb1078
152816d33
hex1b97032

28930098 has 32 divisors (see below), whose sum is σ = 59533056. Its totient is φ = 9367808.

The previous prime is 28930093. The next prime is 28930117. The reversal of 28930098 is 89003982.

It is not an unprimeable number, because it can be changed into a prime (28930091) 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, 48490 + ... + 49082.

It is an arithmetic number, because the mean of its divisors is an integer number (1860408).

Almost surely, 228930098 is an apocalyptic number.

28930098 is an abundant number, since it is smaller than the sum of its proper divisors (30602958).

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

28930098 is a wasteful number, since it uses less digits than its factorization.

28930098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 28930098 is about 5378.6706536095. The cubic root of 28930098 is about 306.9846321358.

The spelling of 28930098 in words is "twenty-eight million, nine hundred thirty thousand, ninety-eight".

Divisors: 1 2 3 6 47 94 141 173 282 346 519 593 1038 1186 1779 3558 8131 16262 24393 27871 48786 55742 83613 102589 167226 205178 307767 615534 4821683 9643366 14465049 28930098