Search a number
-
+
121858482 = 23175920249
BaseRepresentation
bin1110100001101…
…10100110110010
322111022001102010
413100312212302
5222143432412
620031503350
73006531354
oct720664662
9274261363
10121858482
1162871099
1234987b56
131c327b15
14122810d4
15aa7133c
hex74369b2

121858482 has 32 divisors (see below), whose sum is σ = 262440000. Its totient is φ = 37580288.

The previous prime is 121858469. The next prime is 121858483. The reversal of 121858482 is 284858121.

It is a self number, because there is not a number n which added to its sum of digits gives 121858482.

It is not an unprimeable number, because it can be changed into a prime (121858483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4107 + ... + 16142.

It is an arithmetic number, because the mean of its divisors is an integer number (8201250).

Almost surely, 2121858482 is an apocalyptic number.

121858482 is an abundant number, since it is smaller than the sum of its proper divisors (140581518).

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

121858482 is a wasteful number, since it uses less digits than its factorization.

121858482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20330.

The product of its digits is 40960, while the sum is 39.

The square root of 121858482 is about 11038.9529394775. The cubic root of 121858482 is about 495.7757207704.

The spelling of 121858482 in words is "one hundred twenty-one million, eight hundred fifty-eight thousand, four hundred eighty-two".

Divisors: 1 2 3 6 17 34 51 59 102 118 177 354 1003 2006 3009 6018 20249 40498 60747 121494 344233 688466 1032699 1194691 2065398 2389382 3584073 7168146 20309747 40619494 60929241 121858482