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418499053 = 7223371339
BaseRepresentation
bin11000111100011…
…100100111101101
31002011110221202221
4120330130213231
51324113432203
6105305515341
713241116600
oct3074344755
91064427687
10418499053
111a5260595
12b81a2b51
136891a79b
143d81c337
1526b19abd
hex18f1c9ed

418499053 has 12 divisors (see below), whose sum is σ = 507993120. Its totient is φ = 343116312.

The previous prime is 418499051. The next prime is 418499071. The reversal of 418499053 is 350994814.

It is a happy number.

It is not a de Polignac number, because 418499053 - 21 = 418499051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (418499051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 184543 + ... + 186796.

It is an arithmetic number, because the mean of its divisors is an integer number (42332760).

Almost surely, 2418499053 is an apocalyptic number.

It is an amenable number.

418499053 is a deficient number, since it is larger than the sum of its proper divisors (89494067).

418499053 is a wasteful number, since it uses less digits than its factorization.

418499053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371376 (or 371369 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 418499053 is about 20457.2493996627. The cubic root of 418499053 is about 747.9940786371.

The spelling of 418499053 in words is "four hundred eighteen million, four hundred ninety-nine thousand, fifty-three".

Divisors: 1 7 23 49 161 1127 371339 2599373 8540797 18195611 59785579 418499053