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900780353 = 1181889123
BaseRepresentation
bin110101101100001…
…101000101000001
32022202222101100022
4311230031011001
53321044432403
6225214503225
731215335534
oct6554150501
92282871308
10900780353
11422515680
12211804b15
1311480a935
14878c0a1b
1554132d38
hex35b0d141

900780353 has 4 divisors (see below), whose sum is σ = 982669488. Its totient is φ = 818891220.

The previous prime is 900780341. The next prime is 900780389. The reversal of 900780353 is 353087009.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 353087009 = 1132098819.

It is a cyclic number.

It is not a de Polignac number, because 900780353 - 222 = 896586049 is a prime.

It is a super-2 number, since 2×9007803532 = 1622810488701609218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (900780323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40944551 + ... + 40944572.

It is an arithmetic number, because the mean of its divisors is an integer number (245667372).

Almost surely, 2900780353 is an apocalyptic number.

It is an amenable number.

900780353 is a deficient number, since it is larger than the sum of its proper divisors (81889135).

900780353 is a wasteful number, since it uses less digits than its factorization.

900780353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81889134.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 900780353 is about 30013.0030653382. The cubic root of 900780353 is about 965.7683493792.

The spelling of 900780353 in words is "nine hundred million, seven hundred eighty thousand, three hundred fifty-three".

Divisors: 1 11 81889123 900780353