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1243914932 = 2213103271857
BaseRepresentation
bin100101000100100…
…1010001010110100
310012200122102111102
41022021022022310
510021420234212
6323233225232
742553050101
oct11211121264
93180572442
101243914932
11589180777
122a8702218
1316a92bc50
14bb2c1aa8
15743125c2
hex4a24a2b4

1243914932 has 48 divisors (see below), whose sum is σ = 2378568192. Its totient is φ = 565781760.

The previous prime is 1243914887. The next prime is 1243914967. The reversal of 1243914932 is 2394193421.

It is a congruent number.

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, 1451048 + ... + 1451904.

It is an arithmetic number, because the mean of its divisors is an integer number (49553504).

Almost surely, 21243914932 is an apocalyptic number.

It is an amenable number.

1243914932 is a deficient number, since it is larger than the sum of its proper divisors (1134653260).

1243914932 is a wasteful number, since it uses less digits than its factorization.

1243914932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248 (or 1246 counting only the distinct ones).

The product of its digits is 46656, while the sum is 38.

The square root of 1243914932 is about 35269.1782155468. The cubic root of 1243914932 is about 1075.4665166804.

The spelling of 1243914932 in words is "one billion, two hundred forty-three million, nine hundred fourteen thousand, nine hundred thirty-two".

Divisors: 1 2 4 13 26 52 103 206 271 412 542 857 1084 1339 1714 2678 3428 3523 5356 7046 11141 14092 22282 27913 44564 55826 88271 111652 176542 232247 353084 362869 464494 725738 928988 1147523 1451476 2295046 3019211 4590092 6038422 12076844 23921441 47842882 95685764 310978733 621957466 1243914932