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3045511920 = 24351121731199
BaseRepresentation
bin1011010110000110…
…1101001011110000
321212020200000221210
42311201231023300
522214122340140
61222111520120
7135320265333
oct26541551360
97766600853
103045511920
111323126200
1270bb29040
13396c5ab79
1420c69261a
1512c583d80
hexb586d2f0

3045511920 has 480 divisors, whose sum is σ = 11399270400. Its totient is φ = 669081600.

The previous prime is 3045511913. The next prime is 3045511927. The reversal of 3045511920 is 291155403.

3045511920 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3045511913) and next prime (3045511927).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3045511927) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15303981 + ... + 15304179.

It is an arithmetic number, because the mean of its divisors is an integer number (23748480).

Almost surely, 23045511920 is an apocalyptic number.

3045511920 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 3045511920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5699635200).

3045511920 is an abundant number, since it is smaller than the sum of its proper divisors (8353758480).

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

3045511920 is a wasteful number, since it uses less digits than its factorization.

3045511920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 3045511920 is about 55186.1569598754. The cubic root of 3045511920 is about 1449.5062797885.

The spelling of 3045511920 in words is "three billion, forty-five million, five hundred eleven thousand, nine hundred twenty".