Search a number
-
+
121955932 = 22720872
BaseRepresentation
bin1110100010011…
…10011001011100
322111111000002101
413101032121130
5222210042212
620033534444
73010415440
oct721163134
9274430071
10121955932
116292832a
1234a14424
131c360297
14122a8820
15aa90157
hex744e65c

121955932 has 18 divisors (see below), whose sum is σ = 244028792. Its totient is φ = 52241784.

The previous prime is 121955921. The next prime is 121955963. The reversal of 121955932 is 239559121.

It is a junction number, because it is equal to n+sod(n) for n = 121955891 and 121955900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57393 + ... + 59479.

Almost surely, 2121955932 is an apocalyptic number.

It is an amenable number.

121955932 is an abundant number, since it is smaller than the sum of its proper divisors (122072860).

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

121955932 is an frugal number, since it uses more digits than its factorization.

121955932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4185 (or 2096 counting only the distinct ones).

The product of its digits is 24300, while the sum is 37.

The square root of 121955932 is about 11043.3659723836. The cubic root of 121955932 is about 495.9078425295.

The spelling of 121955932 in words is "one hundred twenty-one million, nine hundred fifty-five thousand, nine hundred thirty-two".

Divisors: 1 2 4 7 14 28 2087 4174 8348 14609 29218 58436 4355569 8711138 17422276 30488983 60977966 121955932