Search a number
-
+
164832644 = 221073531091
BaseRepresentation
bin10011101001100…
…10010110000100
3102111011100212202
421310302112010
5314144121034
624204534032
74041024434
oct1164622604
9374140782
10164832644
1185053229
1247251318
13281c3312
1417c6a2c4
15e70e47e
hex9d32584

164832644 has 24 divisors (see below), whose sum is σ = 292245408. Its totient is φ = 81340160.

The previous prime is 164832643. The next prime is 164832649. The reversal of 164832644 is 446238461.

It is a junction number, because it is equal to n+sod(n) for n = 164832598 and 164832607.

It is not an unprimeable number, because it can be changed into a prime (164832641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150539 + ... + 151629.

It is an arithmetic number, because the mean of its divisors is an integer number (12176892).

Almost surely, 2164832644 is an apocalyptic number.

It is an amenable number.

164832644 is a deficient number, since it is larger than the sum of its proper divisors (127412764).

164832644 is a wasteful number, since it uses less digits than its factorization.

164832644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555 (or 1553 counting only the distinct ones).

The product of its digits is 110592, while the sum is 38.

The square root of 164832644 is about 12838.7166025269. The cubic root of 164832644 is about 548.2951550814.

The spelling of 164832644 in words is "one hundred sixty-four million, eight hundred thirty-two thousand, six hundred forty-four".

Divisors: 1 2 4 107 214 353 428 706 1091 1412 2182 4364 37771 75542 116737 151084 233474 385123 466948 770246 1540492 41208161 82416322 164832644