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4723940 = 2251318169
BaseRepresentation
bin10010000001010011100100
322220000000202
4102001103210
52202131230
6245130032
755103264
oct22012344
98800022
104723940
112737191
1216b9918
13c95240
148ad7a4
15634a45
hex4814e4

4723940 has 24 divisors (see below), whose sum is σ = 10683960. Its totient is φ = 1744128.

The previous prime is 4723933. The next prime is 4723949. The reversal of 4723940 is 493274.

It can be written as a sum of positive squares in 4 ways, for example, as 23716 + 4700224 = 154^2 + 2168^2 .

It is a zygodrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (4723949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8825 + ... + 9344.

It is an arithmetic number, because the mean of its divisors is an integer number (445165).

Almost surely, 24723940 is an apocalyptic number.

It is an amenable number.

4723940 is an abundant number, since it is smaller than the sum of its proper divisors (5960020).

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

4723940 is a wasteful number, since it uses less digits than its factorization.

4723940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18191 (or 18189 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 4723940 is about 2173.4626750878. The cubic root of 4723940 is about 167.7907921168.

The spelling of 4723940 in words is "four million, seven hundred twenty-three thousand, nine hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 18169 36338 72676 90845 181690 236197 363380 472394 944788 1180985 2361970 4723940