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164202529 = 1117114699
BaseRepresentation
bin10011100100110…
…00100000100001
3102102222100112011
421302120200201
5314013440104
624143232521
74032461401
oct1162304041
9372870464
10164202529
1184762877
1246ba8741
132803257a
1417b44801
15e637904
hex9c98821

164202529 has 4 divisors (see below), whose sum is σ = 164228400. Its totient is φ = 164176660.

The previous prime is 164202523. The next prime is 164202569. The reversal of 164202529 is 925202461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 925202461 = 1420765123.

It is a cyclic number.

It is not a de Polignac number, because 164202529 - 213 = 164194337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 164202529.

It is not an unprimeable number, because it can be changed into a prime (164202523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3822 + ... + 18520.

It is an arithmetic number, because the mean of its divisors is an integer number (41057100).

Almost surely, 2164202529 is an apocalyptic number.

It is an amenable number.

164202529 is a deficient number, since it is larger than the sum of its proper divisors (25871).

164202529 is a wasteful number, since it uses less digits than its factorization.

164202529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25870.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 164202529 is about 12814.1534640412. The cubic root of 164202529 is about 547.5955966876.

The spelling of 164202529 in words is "one hundred sixty-four million, two hundred two thousand, five hundred twenty-nine".

Divisors: 1 11171 14699 164202529