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1243222414 = 27212685943
BaseRepresentation
bin100101000011010…
…0001000110001110
310012122100020112121
41022012201012032
510021231104124
6323210323154
742544134100
oct11206410616
93178306477
101243222414
11588848445
122a84294ba
1316a748985
14bb181570
15742272e4
hex4a1a118e

1243222414 has 12 divisors (see below), whose sum is σ = 2169296424. Its totient is φ = 532809564.

The previous prime is 1243222403. The next prime is 1243222439. The reversal of 1243222414 is 4142223421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6342874 + ... + 6343069.

It is an arithmetic number, because the mean of its divisors is an integer number (180774702).

Almost surely, 21243222414 is an apocalyptic number.

1243222414 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1243222414 is a deficient number, since it is larger than the sum of its proper divisors (926074010).

1243222414 is a wasteful number, since it uses less digits than its factorization.

1243222414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12685959 (or 12685952 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

The square root of 1243222414 is about 35259.3592397820. The cubic root of 1243222414 is about 1075.2669000890.

Adding to 1243222414 its reverse (4142223421), we get a palindrome (5385445835).

It can be divided in two parts, 124322 and 2414, that added together give a square (126736 = 3562).

The spelling of 1243222414 in words is "one billion, two hundred forty-three million, two hundred twenty-two thousand, four hundred fourteen".

Divisors: 1 2 7 14 49 98 12685943 25371886 88801601 177603202 621611207 1243222414