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415244072 = 2351905509
BaseRepresentation
bin11000110000000…
…001111100101000
31001221100120210002
4120300001330220
51322300302242
6105112042132
713201342055
oct3060017450
91057316702
10415244072
111a3438021
12b7093348
136804b069
143d21202c
15266c5432
hex18c01f28

415244072 has 8 divisors (see below), whose sum is σ = 778582650. Its totient is φ = 207622032.

The previous prime is 415244017. The next prime is 415244083. The reversal of 415244072 is 270442514.

It can be written as a sum of positive squares in only one way, i.e., 412333636 + 2910436 = 20306^2 + 1706^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×4152440722 = 344855278662282368, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25952747 + ... + 25952762.

Almost surely, 2415244072 is an apocalyptic number.

It is an amenable number.

415244072 is a deficient number, since it is larger than the sum of its proper divisors (363338578).

415244072 is a wasteful number, since it uses less digits than its factorization.

415244072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51905515 (or 51905511 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 415244072 is about 20377.5384185627. The cubic root of 415244072 is about 746.0497921900.

Adding to 415244072 its reverse (270442514), we get a palindrome (685686586).

The spelling of 415244072 in words is "four hundred fifteen million, two hundred forty-four thousand, seventy-two".

Divisors: 1 2 4 8 51905509 103811018 207622036 415244072