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121342344 = 23347971109
BaseRepresentation
bin1110011101110…
…00100110001000
322110022211101220
413032320212020
5222030423334
620012442040
73002251524
oct716704610
9273284356
10121342344
1162549332
1234779320
131c1a6c06
1412188d84
15a9bd449
hex73b8988

121342344 has 64 divisors (see below), whose sum is σ = 313286400. Its totient is φ = 39143424.

The previous prime is 121342327. The next prime is 121342349. The reversal of 121342344 is 443243121.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (121342349) 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 15 ways as a sum of consecutive naturals, for example, 108862 + ... + 109970.

It is an arithmetic number, because the mean of its divisors is an integer number (4895100).

Almost surely, 2121342344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121342344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156643200).

121342344 is an abundant number, since it is smaller than the sum of its proper divisors (191944056).

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

121342344 is a wasteful number, since it uses less digits than its factorization.

121342344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262 (or 1258 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 121342344 is about 11015.5500997454. The cubic root of 121342344 is about 495.0747688302.

Adding to 121342344 its reverse (443243121), we get a palindrome (564585465).

The spelling of 121342344 in words is "one hundred twenty-one million, three hundred forty-two thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 47 94 97 141 188 194 282 291 376 388 564 582 776 1109 1128 1164 2218 2328 3327 4436 4559 6654 8872 9118 13308 13677 18236 26616 27354 36472 52123 54708 104246 107573 109416 156369 208492 215146 312738 322719 416984 430292 625476 645438 860584 1250952 1290876 2581752 5055931 10111862 15167793 20223724 30335586 40447448 60671172 121342344