Search a number
-
+
432097920 = 2732575017
BaseRepresentation
bin11001110000010…
…100101010000000
31010010001211220200
4121300110222000
51341104113140
6110513205200
713464525462
oct3160245200
91103054820
10432097920
112019a9621
12100860800
136b69c457
144155c132
1527e04030
hex19c14a80

432097920 has 96 divisors (see below), whose sum is σ = 1492108020. Its totient is φ = 115224576.

The previous prime is 432097907. The next prime is 432097921. The reversal of 432097920 is 29790234.

It can be written as a sum of positive squares in 2 ways, for example, as 413227584 + 18870336 = 20328^2 + 4344^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×4320979202 = 373417224936652800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (432097921) 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, 31749 + ... + 43268.

Almost surely, 2432097920 is an apocalyptic number.

432097920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

432097920 is an abundant number, since it is smaller than the sum of its proper divisors (1060010100).

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

432097920 is a wasteful number, since it uses less digits than its factorization.

432097920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75042 (or 75027 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 432097920 is about 20786.9651464566. The cubic root of 432097920 is about 756.0097420429.

The spelling of 432097920 in words is "four hundred thirty-two million, ninety-seven thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 128 144 160 180 192 240 288 320 360 384 480 576 640 720 960 1152 1440 1920 2880 5760 75017 150034 225051 300068 375085 450102 600136 675153 750170 900204 1125255 1200272 1350306 1500340 1800408 2250510 2400544 2700612 3000680 3375765 3600816 4501020 4801088 5401224 6001360 6751530 7201632 9002040 9602176 10802448 12002720 13503060 14403264 18004080 21604896 24005440 27006120 28806528 36008160 43209792 48010880 54012240 72016320 86419584 108024480 144032640 216048960 432097920