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3325001240 = 235117556821
BaseRepresentation
bin1100011000101111…
…0111111000011000
322120201120120020002
43012023313320120
523302200014430
61305534152132
7145253021111
oct30613677030
98521516202
103325001240
111456970710
12789652648
1340cb26c72
14237847208
15146d90845
hexc62f7e18

3325001240 has 32 divisors (see below), whose sum is σ = 8161367760. Its totient is φ = 1209091200.

The previous prime is 3325001209. The next prime is 3325001327. The reversal of 3325001240 is 421005233.

It is a happy number.

It is a super-2 number, since 2×33250012402 = 22111266492003075200, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3777971 + ... + 3778850.

Almost surely, 23325001240 is an apocalyptic number.

It is an amenable number.

3325001240 is an abundant number, since it is smaller than the sum of its proper divisors (4836366520).

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

3325001240 is a wasteful number, since it uses less digits than its factorization.

3325001240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7556843 (or 7556839 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 3325001240 is about 57662.8237255166. The cubic root of 3325001240 is about 1492.5558942692. Note that the first 3 decimals are identical.

Adding to 3325001240 its reverse (421005233), we get a palindrome (3746006473).

The spelling of 3325001240 in words is "three billion, three hundred twenty-five million, one thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 7556821 15113642 30227284 37784105 60454568 75568210 83125031 151136420 166250062 302272840 332500124 415625155 665000248 831250310 1662500620 3325001240