Search a number
-
+
1368408195 = 335711131641
BaseRepresentation
bin101000110010000…
…0100000010000011
310112100220100011000
41101210010002003
510300303030240
6343441423043
745624164160
oct12144040203
93470810130
101368408195
11642481370
1232233aa83
1318a66a0bb
14cda4b067
1580204430
hex51904083

1368408195 has 64 divisors (see below), whose sum is σ = 3033031680. Its totient is φ = 568684800.

The previous prime is 1368408179. The next prime is 1368408203. The reversal of 1368408195 is 5918048631.

It is not a de Polignac number, because 1368408195 - 24 = 1368408179 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1368408195.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 55426 + ... + 76215.

It is an arithmetic number, because the mean of its divisors is an integer number (47391120).

Almost surely, 21368408195 is an apocalyptic number.

1368408195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1368408195 is an abundant number, since it is smaller than the sum of its proper divisors (1664623485).

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

1368408195 is a wasteful number, since it uses less digits than its factorization.

1368408195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131673 (or 131667 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 1368408195 is about 36992.0017706531. The cubic root of 1368408195 is about 1110.2102231489.

The spelling of 1368408195 in words is "one billion, three hundred sixty-eight million, four hundred eight thousand, one hundred ninety-five".

Divisors: 1 3 5 7 9 11 15 21 27 33 35 45 55 63 77 99 105 135 165 189 231 297 315 385 495 693 945 1155 1485 2079 3465 10395 131641 394923 658205 921487 1184769 1448051 1974615 2764461 3554307 4344153 4607435 5923845 7240255 8293383 10136357 13032459 13822305 17771535 21720765 24880149 30409071 39097377 41466915 50681785 65162295 91227213 124400745 152045355 195486885 273681639 456136065 1368408195