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653490417 = 3419519881
BaseRepresentation
bin100110111100110…
…111100011110001
31200112122202022210
4212330313203301
52314243143132
6144502322333
722123401606
oct4674674361
91615582283
10653490417
11305973028
12162a293a9
13a5506928
1462b0c6ad
153c586bcc
hex26f378f1

653490417 has 8 divisors (see below), whose sum is σ = 873401760. Its totient is φ = 434619680.

The previous prime is 653490391. The next prime is 653490419. The reversal of 653490417 is 714094356.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 653490417 - 212 = 653486321 is a prime.

It is a super-2 number, since 2×6534904172 = 854099450221667778, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (653490419) 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, 258684 + ... + 261197.

It is an arithmetic number, because the mean of its divisors is an integer number (109175220).

Almost surely, 2653490417 is an apocalyptic number.

It is an amenable number.

653490417 is a deficient number, since it is larger than the sum of its proper divisors (219911343).

653490417 is a wasteful number, since it uses less digits than its factorization.

653490417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520303.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 653490417 is about 25563.4586275019. The cubic root of 653490417 is about 867.7868693342.

The spelling of 653490417 in words is "six hundred fifty-three million, four hundred ninety thousand, four hundred seventeen".

Divisors: 1 3 419 1257 519881 1559643 217830139 653490417