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9957469 = 293131097
BaseRepresentation
bin100101111111…
…000001011101
3200201220002011
4211333001131
510022114334
6553231221
7150431344
oct45770135
920656064
109957469
115691215
123402511
1320a83c2
141472b5b
15d1a564
hex97f05d

9957469 has 8 divisors (see below), whose sum is σ = 10343160. Its totient is φ = 9574656.

The previous prime is 9957439. The next prime is 9957487. The reversal of 9957469 is 9647599.

It can be written as a sum of positive squares in 4 ways, for example, as 34969 + 9922500 = 187^2 + 3150^2 .

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-9957469 is a prime.

It is a super-2 number, since 2×99574692 = 198302377771922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9957439) 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, 8529 + ... + 9625.

It is an arithmetic number, because the mean of its divisors is an integer number (1292895).

Almost surely, 29957469 is an apocalyptic number.

It is an amenable number.

9957469 is a deficient number, since it is larger than the sum of its proper divisors (385691).

9957469 is a wasteful number, since it uses less digits than its factorization.

9957469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439.

The product of its digits is 612360, while the sum is 49.

The square root of 9957469 is about 3155.5457531147. The cubic root of 9957469 is about 215.1376007571.

It can be divided in two parts, 995 and 7469, that added together give a square (8464 = 922).

The spelling of 9957469 in words is "nine million, nine hundred fifty-seven thousand, four hundred sixty-nine".

Divisors: 1 29 313 1097 9077 31813 343361 9957469