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469452389 = 7216995639
BaseRepresentation
bin11011111110110…
…100011001100101
31012201100122121112
4123332310121211
51430134434024
6114325554405
714430164600
oct3376643145
91181318545
10469452389
11220aa258a
12111275a05
137634aaa3
14464c3337
152b33200e
hex1bfb4665

469452389 has 12 divisors (see below), whose sum is σ = 546516000. Its totient is φ = 402079608.

The previous prime is 469452341. The next prime is 469452397. The reversal of 469452389 is 983254964.

It is a de Polignac number, because none of the positive numbers 2k-469452389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (469452329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80432 + ... + 86070.

It is an arithmetic number, because the mean of its divisors is an integer number (45543000).

Almost surely, 2469452389 is an apocalyptic number.

469452389 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

469452389 is a deficient number, since it is larger than the sum of its proper divisors (77063611).

469452389 is a wasteful number, since it uses less digits than its factorization.

469452389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7352 (or 7345 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 50.

The square root of 469452389 is about 21666.8500017884. The cubic root of 469452389 is about 777.1959303531.

The spelling of 469452389 in words is "four hundred sixty-nine million, four hundred fifty-two thousand, three hundred eighty-nine".

Divisors: 1 7 49 1699 5639 11893 39473 83251 276311 9580661 67064627 469452389