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433220140 = 225194612473
BaseRepresentation
bin11001110100100…
…110101000101100
31010012011212022101
4121310212220230
51341401021030
6110553224444
713510211323
oct3164465054
91105155271
10433220140
112025a5781
12101102124
136b9a31a2
14417710ba
15280767ca
hex19d26a2c

433220140 has 48 divisors (see below), whose sum is σ = 960109920. Its totient is φ = 163745280.

The previous prime is 433220113. The next prime is 433220143. The reversal of 433220140 is 41022334.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (433220143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173944 + ... + 176416.

It is an arithmetic number, because the mean of its divisors is an integer number (20002290).

Almost surely, 2433220140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 433220140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (480054960).

433220140 is an abundant number, since it is smaller than the sum of its proper divisors (526889780).

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

433220140 is a wasteful number, since it uses less digits than its factorization.

433220140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2962 (or 2960 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 433220140 is about 20813.9410011655. The cubic root of 433220140 is about 756.6636646774.

Adding to 433220140 its reverse (41022334), we get a palindrome (474242474).

The spelling of 433220140 in words is "four hundred thirty-three million, two hundred twenty thousand, one hundred forty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 461 922 1844 2305 2473 4610 4946 8759 9220 9892 12365 17518 24730 35036 43795 46987 49460 87590 93974 175180 187948 234935 469870 939740 1140053 2280106 4560212 5700265 11400530 21661007 22801060 43322014 86644028 108305035 216610070 433220140