Search a number
-
+
164607432 = 2331135153
BaseRepresentation
bin10011100111110…
…11010111001000
3102110201220221120
421303323113020
5314114414212
624200035240
74036066023
oct1163732710
9373656846
10164607432
1184a0a000
1247162b20
1328144962
1417c0c1ba
15e6b788c
hex9cfb5c8

164607432 has 64 divisors (see below), whose sum is σ = 452727360. Its totient is φ = 49871360.

The previous prime is 164607419. The next prime is 164607437. The reversal of 164607432 is 234706461.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 164607393 and 164607402.

It is not an unprimeable number, because it can be changed into a prime (164607437) 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, 29368 + ... + 34520.

It is an arithmetic number, because the mean of its divisors is an integer number (7073865).

Almost surely, 2164607432 is an apocalyptic number.

164607432 is a gapful number since it is divisible by the number (12) 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 164607432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226363680).

164607432 is an abundant number, since it is smaller than the sum of its proper divisors (288119928).

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

164607432 is a wasteful number, since it uses less digits than its factorization.

164607432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5195 (or 5169 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 164607432 is about 12829.9427902076. The cubic root of 164607432 is about 548.0453280921.

The spelling of 164607432 in words is "one hundred sixty-four million, six hundred seven thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 121 132 242 264 363 484 726 968 1331 1452 2662 2904 3993 5153 5324 7986 10306 10648 15459 15972 20612 30918 31944 41224 56683 61836 113366 123672 170049 226732 340098 453464 623513 680196 1247026 1360392 1870539 2494052 3741078 4988104 6858643 7482156 13717286 14964312 20575929 27434572 41151858 54869144 82303716 164607432