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123243316 = 2274499803
BaseRepresentation
bin1110101100010…
…00101100110100
322120220102001021
413112020230310
5223022241231
620121310524
73024356650
oct726105464
9276812037
10123243316
1163627589
1235335444
131c6c1251
1412521a60
15ac46811
hex7588b34

123243316 has 24 divisors (see below), whose sum is σ = 247060800. Its totient is φ = 52695552.

The previous prime is 123243313. The next prime is 123243409. The reversal of 123243316 is 613342321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123243313) 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 7 ways as a sum of consecutive naturals, for example, 7671 + ... + 17473.

It is an arithmetic number, because the mean of its divisors is an integer number (10294200).

Almost surely, 2123243316 is an apocalyptic number.

It is an amenable number.

123243316 is an abundant number, since it is smaller than the sum of its proper divisors (123817484).

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

123243316 is a wasteful number, since it uses less digits than its factorization.

123243316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10263 (or 10261 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

The square root of 123243316 is about 11101.5006192857. The cubic root of 123243316 is about 497.6466959638.

Adding to 123243316 its reverse (613342321), we get a palindrome (736585637).

The spelling of 123243316 in words is "one hundred twenty-three million, two hundred forty-three thousand, three hundred sixteen".

Divisors: 1 2 4 7 14 28 449 898 1796 3143 6286 9803 12572 19606 39212 68621 137242 274484 4401547 8803094 17606188 30810829 61621658 123243316