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495554420 = 225171457513
BaseRepresentation
bin11101100010011…
…000111101110100
31021112110202212102
4131202120331310
52003330220140
6121101241232
715165100034
oct3542307564
91245422772
10495554420
11234800409
12119b63218
137b88978a
1449b598c4
152d78ae15
hex1d898f74

495554420 has 24 divisors (see below), whose sum is σ = 1101880584. Its totient is φ = 186561536.

The previous prime is 495554387. The next prime is 495554429. The reversal of 495554420 is 24455594.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 53377636 + 442176784 = 7306^2 + 21028^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495554429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 728417 + ... + 729096.

It is an arithmetic number, because the mean of its divisors is an integer number (45911691).

Almost surely, 2495554420 is an apocalyptic number.

It is an amenable number.

495554420 is an abundant number, since it is smaller than the sum of its proper divisors (606326164).

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

495554420 is a wasteful number, since it uses less digits than its factorization.

495554420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1457539 (or 1457537 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 38.

The square root of 495554420 is about 22261.0516373329. The cubic root of 495554420 is about 791.3412136427.

The spelling of 495554420 in words is "four hundred ninety-five million, five hundred fifty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 1457513 2915026 5830052 7287565 14575130 24777721 29150260 49555442 99110884 123888605 247777210 495554420