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3315252240 = 243451926927
BaseRepresentation
bin1100010110011010…
…1011110000010000
322120001020021010000
43011212223300100
523242201032430
61304545210000
7145104115266
oct30546536020
98501207100
103315252240
111451412093
12786330900
1340aac2721
1423642a436
151460b6e60
hexc59abc10

3315252240 has 200 divisors, whose sum is σ = 12120831360. Its totient is φ = 837506304.

The previous prime is 3315252211. The next prime is 3315252271. The reversal of 3315252240 is 422525133.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 109657 + ... + 136583.

Almost surely, 23315252240 is an apocalyptic number.

3315252240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3315252240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6060415680).

3315252240 is an abundant number, since it is smaller than the sum of its proper divisors (8805579120).

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

3315252240 is a wasteful number, since it uses less digits than its factorization.

3315252240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26971 (or 26956 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 3315252240 is about 57578.2271349162. The cubic root of 3315252240 is about 1491.0957272077.

Adding to 3315252240 its reverse (422525133), we get a palindrome (3737777373).

The spelling of 3315252240 in words is "three billion, three hundred fifteen million, two hundred fifty-two thousand, two hundred forty".