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1995049392 = 243731191537
BaseRepresentation
bin111011011101010…
…0000100110110000
312011001001000021020
41312322200212300
513041213040032
6525544455440
7100303432350
oct16672404660
95131030236
101995049392
11934176156
1247817a580
1325a432bcb
1414cd6ab60
15ba235b2c
hex76ea09b0

1995049392 has 80 divisors (see below), whose sum is σ = 6080182272. Its totient is φ = 551623680.

The previous prime is 1995049391. The next prime is 1995049409. The reversal of 1995049392 is 2939405991.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1995049391) 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, 85353 + ... + 106184.

Almost surely, 21995049392 is an apocalyptic number.

1995049392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1995049392 is an abundant number, since it is smaller than the sum of its proper divisors (4085132880).

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

1995049392 is a wasteful number, since it uses less digits than its factorization.

1995049392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191586 (or 191580 counting only the distinct ones).

The product of its (nonzero) digits is 787320, while the sum is 51.

The square root of 1995049392 is about 44665.9757757513. The cubic root of 1995049392 is about 1258.8806284308.

The spelling of 1995049392 in words is "one billion, nine hundred ninety-five million, forty-nine thousand, three hundred ninety-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 31 42 48 56 62 84 93 112 124 168 186 217 248 336 372 434 496 651 744 868 1302 1488 1736 2604 3472 5208 10416 191537 383074 574611 766148 1149222 1340759 1532296 2298444 2681518 3064592 4022277 4596888 5363036 5937647 8044554 9193776 10726072 11875294 16089108 17812941 21452144 23750588 32178216 35625882 41563529 47501176 64356432 71251764 83127058 95002352 124690587 142503528 166254116 249381174 285007056 332508232 498762348 665016464 997524696 1995049392