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420133357 = 771298419
BaseRepresentation
bin11001000010101…
…011100111101101
31002021112222121201
4121002223213231
51330023231412
6105404525501
713261034410
oct3102534755
91067488551
10420133357
111a6177456
12b8850891
1369070627
143db25b77
1526d3de57
hex190ab9ed

420133357 has 8 divisors (see below), whose sum is σ = 480276800. Its totient is φ = 360021024.

The previous prime is 420133333. The next prime is 420133361. The reversal of 420133357 is 753331024.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-420133357 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 (420133397) 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, 45694 + ... + 54112.

It is an arithmetic number, because the mean of its divisors is an integer number (60034600).

Almost surely, 2420133357 is an apocalyptic number.

It is an amenable number.

420133357 is a deficient number, since it is larger than the sum of its proper divisors (60143443).

420133357 is an equidigital number, since it uses as much as digits as its factorization.

420133357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15555.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 420133357 is about 20497.1548513446. The cubic root of 420133357 is about 748.9664917276.

The spelling of 420133357 in words is "four hundred twenty million, one hundred thirty-three thousand, three hundred fifty-seven".

Divisors: 1 7 7129 8419 49903 58933 60019051 420133357