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5123740 = 225256187
BaseRepresentation
bin10011100010111010011100
3100122022110011
4103202322130
52302424430
6301453004
761360006
oct23427234
910568404
105123740
11298a5a6
121871164
1310a51cb
14975376
156b322a
hex4e2e9c

5123740 has 12 divisors (see below), whose sum is σ = 10759896. Its totient is φ = 2049488.

The previous prime is 5123719. The next prime is 5123743. The reversal of 5123740 is 473215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5123743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128074 + ... + 128113.

It is an arithmetic number, because the mean of its divisors is an integer number (896658).

Almost surely, 25123740 is an apocalyptic number.

It is an amenable number.

5123740 is an abundant number, since it is smaller than the sum of its proper divisors (5636156).

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

5123740 is a wasteful number, since it uses less digits than its factorization.

5123740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256196 (or 256194 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 5123740 is about 2263.5679799820. The cubic root of 5123740 is about 172.3967315807.

Adding to 5123740 its reverse (473215), we get a palindrome (5596955).

The spelling of 5123740 in words is "five million, one hundred twenty-three thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 256187 512374 1024748 1280935 2561870 5123740