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1223244484 = 2271125115823
BaseRepresentation
bin100100011101001…
…0011101011000100
310011020202020222021
41020322103223010
510001122310414
6321214212524
742212256310
oct11072235304
93136666867
101223244484
11578542760
122a17b4144
13166572607
14b8660b40
15725ccc24
hex48e93ac4

1223244484 has 48 divisors (see below), whose sum is σ = 2679699456. Its totient is φ = 474660000.

The previous prime is 1223244479. The next prime is 1223244493. The reversal of 1223244484 is 4844423221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69397 + ... + 85219.

It is an arithmetic number, because the mean of its divisors is an integer number (55827072).

Almost surely, 21223244484 is an apocalyptic number.

1223244484 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1223244484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1339849728).

1223244484 is an abundant number, since it is smaller than the sum of its proper divisors (1456454972).

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

1223244484 is a wasteful number, since it uses less digits than its factorization.

1223244484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16096 (or 16094 counting only the distinct ones).

The product of its digits is 49152, while the sum is 34.

The square root of 1223244484 is about 34974.9122086103. The cubic root of 1223244484 is about 1069.4761123629.

The spelling of 1223244484 in words is "one billion, two hundred twenty-three million, two hundred forty-four thousand, four hundred eighty-four".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 251 308 502 1004 1757 2761 3514 5522 7028 11044 15823 19327 31646 38654 63292 77308 110761 174053 221522 348106 443044 696212 1218371 2436742 3971573 4873484 7943146 15886292 27801011 43687303 55602022 87374606 111204044 174749212 305811121 611622242 1223244484