Search a number
-
+
121253244 = 2237389331
BaseRepresentation
bin1110011101000…
…10110101111100
322110011022011220
413032202311330
5222020100434
620010513340
73001431000
oct716426574
9273138156
10121253244
11624983a2
1234735850
131c1754a8
1412164700
15a9a1d49
hex73a2d7c

121253244 has 96 divisors (see below), whose sum is σ = 334656000. Its totient is φ = 34151040.

The previous prime is 121253233. The next prime is 121253261. The reversal of 121253244 is 442352121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 366159 + ... + 366489.

It is an arithmetic number, because the mean of its divisors is an integer number (3486000).

Almost surely, 2121253244 is an apocalyptic number.

121253244 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 121253244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167328000).

121253244 is an abundant number, since it is smaller than the sum of its proper divisors (213402756).

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

121253244 is a wasteful number, since it uses less digits than its factorization.

121253244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448 (or 432 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 121253244 is about 11011.5050742394. The cubic root of 121253244 is about 494.9535636472.

The spelling of 121253244 in words is "one hundred twenty-one million, two hundred fifty-three thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 84 89 98 147 178 196 267 294 331 343 356 534 588 623 662 686 993 1029 1068 1246 1324 1372 1869 1986 2058 2317 2492 3738 3972 4116 4361 4634 6951 7476 8722 9268 13083 13902 16219 17444 26166 27804 29459 30527 32438 48657 52332 58918 61054 64876 88377 91581 97314 113533 117836 122108 176754 183162 194628 206213 227066 340599 353508 366324 412426 454132 618639 681198 824852 1237278 1362396 1443491 2474556 2886982 4330473 5773964 8660946 10104437 17321892 20208874 30313311 40417748 60626622 121253244