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1214132550 = 235227729221
BaseRepresentation
bin100100001011110…
…0011000101000110
310010121121022202020
41020113203011012
54441304220200
6320251024010
742041646021
oct11027430506
93117538666
101214132550
11573389834
1229a73b006
13164702037
14b736c1b8
15718ccea0
hex485e3146

1214132550 has 48 divisors (see below), whose sum is σ = 3022022352. Its totient is φ = 322588800.

The previous prime is 1214132539. The next prime is 1214132551. The reversal of 1214132550 is 552314121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1214132550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214132551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26940 + ... + 56160.

It is an arithmetic number, because the mean of its divisors is an integer number (62958799).

Almost surely, 21214132550 is an apocalyptic number.

1214132550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1214132550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1511011176).

1214132550 is an abundant number, since it is smaller than the sum of its proper divisors (1807889802).

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

1214132550 is a wasteful number, since it uses less digits than its factorization.

1214132550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29513 (or 29508 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1214132550 is about 34844.4048593171. The cubic root of 1214132550 is about 1066.8139862714.

Adding to 1214132550 its reverse (552314121), we get a palindrome (1766446671).

The spelling of 1214132550 in words is "one billion, two hundred fourteen million, one hundred thirty-two thousand, five hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 277 554 831 1385 1662 2770 4155 6925 8310 13850 20775 29221 41550 58442 87663 146105 175326 292210 438315 730525 876630 1461050 2191575 4383150 8094217 16188434 24282651 40471085 48565302 80942170 121413255 202355425 242826510 404710850 607066275 1214132550