Search a number
-
+
1401033344 = 2731714973
BaseRepresentation
bin101001110000010…
…0001001010000000
310121122021212102212
41103200201022000
510332131031334
6351005001252
746501405214
oct12340411200
93548255385
101401033344
116599350a7
12331253228
13194350c19
14d4100944
1582eeaece
hex53821280

1401033344 has 64 divisors (see below), whose sum is σ = 2922324480. Its totient is φ = 668236800.

The previous prime is 1401033289. The next prime is 1401033367. The reversal of 1401033344 is 4433301041.

It is a tau number, because it is divible by the number of its divisors (64).

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, 279242 + ... + 284214.

It is an arithmetic number, because the mean of its divisors is an integer number (45661320).

Almost surely, 21401033344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1401033344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1461162240).

1401033344 is an abundant number, since it is smaller than the sum of its proper divisors (1521291136).

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

1401033344 is an equidigital number, since it uses as much as digits as its factorization.

1401033344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5089 (or 5077 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1401033344 is about 37430.3799606683. The cubic root of 1401033344 is about 1118.9641102265.

Adding to 1401033344 its reverse (4433301041), we get a palindrome (5834334385).

The spelling of 1401033344 in words is "one billion, four hundred one million, thirty-three thousand, three hundred forty-four".

Divisors: 1 2 4 8 16 31 32 62 64 71 124 128 142 248 284 496 568 992 1136 1984 2201 2272 3968 4402 4544 4973 8804 9088 9946 17608 19892 35216 39784 70432 79568 140864 154163 159136 281728 308326 318272 353083 616652 636544 706166 1233304 1412332 2466608 2824664 4933216 5649328 9866432 10945573 11298656 19732864 21891146 22597312 43782292 45194624 87564584 175129168 350258336 700516672 1401033344