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1984300190 = 25712794789
BaseRepresentation
bin111011001000110…
…0000010010011110
312010021210220010122
41312101200102132
513030440101230
6524522234542
7100113162515
oct16621402236
95107726118
101984300190
119290a4114
12474655a52
1325813b332
1414b76d67c
15b9310be5
hex7646049e

1984300190 has 16 divisors (see below), whose sum is σ = 3622047840. Its totient is φ = 782540640.

The previous prime is 1984300189. The next prime is 1984300259. The reversal of 1984300190 is 910034891.

It is a super-2 number, since 2×19843001902 = 7874894488068072200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1984300190.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1396685 + ... + 1398104.

It is an arithmetic number, because the mean of its divisors is an integer number (226377990).

Almost surely, 21984300190 is an apocalyptic number.

1984300190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1984300190 is a deficient number, since it is larger than the sum of its proper divisors (1637747650).

1984300190 is a wasteful number, since it uses less digits than its factorization.

1984300190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2794867.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 1984300190 is about 44545.4845074111. The cubic root of 1984300190 is about 1256.6156321596.

The spelling of 1984300190 in words is "one billion, nine hundred eighty-four million, three hundred thousand, one hundred ninety".

Divisors: 1 2 5 10 71 142 355 710 2794789 5589578 13973945 27947890 198430019 396860038 992150095 1984300190