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1415454040 = 23571113232953
BaseRepresentation
bin101010001011110…
…0001110101011000
310122122102111220201
41110113201311120
510344324012130
6352242031544
750035106110
oct12427416530
93578374821
101415454040
11666a94630
123360485b4
1319732c990
14d5db6040
15843e8bca
hex545e1d58

1415454040 has 512 divisors, whose sum is σ = 4702924800. Its totient is φ = 369008640.

The previous prime is 1415454037. The next prime is 1415454049. The reversal of 1415454040 is 404545141.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1415454049) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 26706654 + ... + 26706706.

It is an arithmetic number, because the mean of its divisors is an integer number (9185400).

Almost surely, 21415454040 is an apocalyptic number.

1415454040 is a gapful number since it is divisible by the number (10) 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 1415454040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2351462400).

1415454040 is an abundant number, since it is smaller than the sum of its proper divisors (3287470760).

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

1415454040 is a wasteful number, since it uses less digits than its factorization.

1415454040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 1415454040 is about 37622.5203834087. The cubic root of 1415454040 is about 1122.7901416473.

Adding to 1415454040 its reverse (404545141), we get a palindrome (1819999181).

The spelling of 1415454040 in words is "one billion, four hundred fifteen million, four hundred fifty-four thousand, forty".