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45015750 = 236531319
BaseRepresentation
bin1010101110111…
…0001011000110
310010201001000000
42223232023012
543011001000
64244502130
71054425153
oct253561306
9103631000
1045015750
1123456aaa
12130aa946
139431850
145d9b22a
153e43000
hex2aee2c6

45015750 has 224 divisors, whose sum is σ = 143226720. Its totient is φ = 10497600.

The previous prime is 45015749. The next prime is 45015757. The reversal of 45015750 is 5751054.

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

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45015757) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 2369241 + ... + 2369259.

It is an arithmetic number, because the mean of its divisors is an integer number (639405).

Almost surely, 245015750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45015750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71613360).

45015750 is an abundant number, since it is smaller than the sum of its proper divisors (98210970).

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

45015750 is a wasteful number, since it uses less digits than its factorization.

45015750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67 (or 42 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 45015750 is about 6709.3777654862. The cubic root of 45015750 is about 355.7308226972.

The spelling of 45015750 in words is "forty-five million, fifteen thousand, seven hundred fifty".