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1072417 = 1956443
BaseRepresentation
bin100000101110100100001
32000111002011
410011310201
5233304132
634552521
712054403
oct4056441
92014064
101072417
116727a5
12438741
132b7188
141dcb73
15162b47
hex105d21

1072417 has 4 divisors (see below), whose sum is σ = 1128880. Its totient is φ = 1015956.

The previous prime is 1072397. The next prime is 1072429. The reversal of 1072417 is 7142701.

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: 7142701 = 46315427.

It is a cyclic number.

It is not a de Polignac number, because 1072417 - 211 = 1070369 is a prime.

It is a Duffinian number.

1072417 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1072447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28203 + ... + 28240.

It is an arithmetic number, because the mean of its divisors is an integer number (282220).

21072417 is an apocalyptic number.

It is an amenable number.

1072417 is a deficient number, since it is larger than the sum of its proper divisors (56463).

1072417 is an equidigital number, since it uses as much as digits as its factorization.

1072417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56462.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 1072417 is about 1035.5756853075. The cubic root of 1072417 is about 102.3578676463.

It can be divided in two parts, 10 and 72417, that added together give a palindrome (72427).

The spelling of 1072417 in words is "one million, seventy-two thousand, four hundred seventeen".

Divisors: 1 19 56443 1072417