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469420189 = 767060027
BaseRepresentation
bin11011111110101…
…100100010011101
31012201022000102221
4123332230202131
51430132421224
6114325145341
714430001660
oct3376544235
91181260387
10469420189
11220a80377
1211125b251
1376339234
14464b56d7
152b3276e4
hex1bfac89d

469420189 has 4 divisors (see below), whose sum is σ = 536480224. Its totient is φ = 402360156.

The previous prime is 469420183. The next prime is 469420199. The reversal of 469420189 is 981024964.

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.

It is a cyclic number.

It is not a de Polignac number, because 469420189 - 213 = 469411997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (469420183) 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, 33530007 + ... + 33530020.

It is an arithmetic number, because the mean of its divisors is an integer number (134120056).

Almost surely, 2469420189 is an apocalyptic number.

It is an amenable number.

469420189 is a deficient number, since it is larger than the sum of its proper divisors (67060035).

469420189 is an equidigital number, since it uses as much as digits as its factorization.

469420189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67060034.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 469420189 is about 21666.1069184106. The cubic root of 469420189 is about 777.1781605133.

The spelling of 469420189 in words is "four hundred sixty-nine million, four hundred twenty thousand, one hundred eighty-nine".

Divisors: 1 7 67060027 469420189