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452985 = 351323101
BaseRepresentation
bin1101110100101111001
3212000101020
41232211321
5103443420
613413053
73564441
oct1564571
9760336
10452985
1128a375
1219a189
1312b250
14bb121
158e340
hex6e979

452985 has 32 divisors (see below), whose sum is σ = 822528. Its totient is φ = 211200.

The previous prime is 452983. The next prime is 452989. The reversal of 452985 is 589254.

It is not a de Polignac number, because 452985 - 21 = 452983 is a prime.

It is an alternating number because its digits alternate between even and odd.

452985 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452983) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4435 + ... + 4535.

It is an arithmetic number, because the mean of its divisors is an integer number (25704).

2452985 is an apocalyptic number.

It is an amenable number.

452985 is a deficient number, since it is larger than the sum of its proper divisors (369543).

452985 is a wasteful number, since it uses less digits than its factorization.

452985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145.

The product of its digits is 14400, while the sum is 33.

The square root of 452985 is about 673.0416034689. The cubic root of 452985 is about 76.8000094944.

The spelling of 452985 in words is "four hundred fifty-two thousand, nine hundred eighty-five".

Divisors: 1 3 5 13 15 23 39 65 69 101 115 195 299 303 345 505 897 1313 1495 1515 2323 3939 4485 6565 6969 11615 19695 30199 34845 90597 150995 452985