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3240124220 = 225413951371
BaseRepresentation
bin1100000100100000…
…0101111100111100
322100210212100211202
43001020011330330
523113432433340
61253303035032
7143202413204
oct30110057474
98323770752
103240124220
111412a69313
1276513ba78
133c8379a88
1422a471404
1513e6c6c15
hexc1205f3c

3240124220 has 24 divisors (see below), whose sum is σ = 6970220208. Its totient is φ = 1264438400.

The previous prime is 3240124189. The next prime is 3240124253. The reversal of 3240124220 is 224210423.

It is a super-2 number, since 2×32401242202 = 20996809922061216800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3240124192 and 3240124201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1974866 + ... + 1976505.

It is an arithmetic number, because the mean of its divisors is an integer number (290425842).

Almost surely, 23240124220 is an apocalyptic number.

It is an amenable number.

3240124220 is an abundant number, since it is smaller than the sum of its proper divisors (3730095988).

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

3240124220 is a wasteful number, since it uses less digits than its factorization.

3240124220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3951421 (or 3951419 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 3240124220 is about 56922.0890340472. The cubic root of 3240124220 is about 1479.7461550272.

Adding to 3240124220 its reverse (224210423), we get a palindrome (3464334643).

The spelling of 3240124220 in words is "three billion, two hundred forty million, one hundred twenty-four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 820 3951371 7902742 15805484 19756855 39513710 79027420 162006211 324012422 648024844 810031055 1620062110 3240124220