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450215080 = 23571794583
BaseRepresentation
bin11010110101011…
…011110010101000
31011101011021222121
4122311123302220
51410223340310
6112401401024
714104523260
oct3265336250
91141137877
10450215080
11211153287
12106939174
1372373873
1443b167a0
15297d20da
hex1ad5bca8

450215080 has 64 divisors (see below), whose sum is σ = 1225808640. Its totient is φ = 145277952.

The previous prime is 450215069. The next prime is 450215113. The reversal of 450215080 is 80512054.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42532 + ... + 52051.

It is an arithmetic number, because the mean of its divisors is an integer number (19153260).

Almost surely, 2450215080 is an apocalyptic number.

450215080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

450215080 is an abundant number, since it is smaller than the sum of its proper divisors (775593560).

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

450215080 is a wasteful number, since it uses less digits than its factorization.

450215080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94618 (or 94614 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 450215080 is about 21218.2723142107. The cubic root of 450215080 is about 766.4315002314.

The spelling of 450215080 in words is "four hundred fifty million, two hundred fifteen thousand, eighty".

Divisors: 1 2 4 5 7 8 10 14 17 20 28 34 35 40 56 68 70 85 119 136 140 170 238 280 340 476 595 680 952 1190 2380 4760 94583 189166 378332 472915 662081 756664 945830 1324162 1607911 1891660 2648324 3215822 3310405 3783320 5296648 6431644 6620810 8039555 11255377 12863288 13241620 16079110 22510754 26483240 32158220 45021508 56276885 64316440 90043016 112553770 225107540 450215080