Search a number
-
+
1400888712 = 233142940847
BaseRepresentation
bin101001101111111…
…1101110110001000
310121122000112001010
41103133331312020
510332111414322
6351001523520
746500233436
oct12337756610
93548015033
101400888712
11659846473
123311a35a0
13194300142
14d40a3d56
1582ebd20c
hex537fdd88

1400888712 has 32 divisors (see below), whose sum is σ = 3504758400. Its totient is φ = 466624704.

The previous prime is 1400888693. The next prime is 1400888719. The reversal of 1400888712 is 2178880041.

It is a happy number.

It is a super-3 number, since 3×14008887123 (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1400888719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13873 + ... + 54719.

It is an arithmetic number, because the mean of its divisors is an integer number (109523700).

Almost surely, 21400888712 is an apocalyptic number.

1400888712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1400888712 is an abundant number, since it is smaller than the sum of its proper divisors (2103869688).

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

1400888712 is a wasteful number, since it uses less digits than its factorization.

1400888712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42285 (or 42281 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 39.

The square root of 1400888712 is about 37428.4478972880. The cubic root of 1400888712 is about 1118.9256044605.

The spelling of 1400888712 in words is "one billion, four hundred million, eight hundred eighty-eight thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 1429 2858 4287 5716 8574 11432 17148 34296 40847 81694 122541 163388 245082 326776 490164 980328 58370363 116740726 175111089 233481452 350222178 466962904 700444356 1400888712