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10899457 = 70915373
BaseRepresentation
bin101001100101…
…000000000001
3202111202020121
4221211000001
510242240312
61025340241
7161433562
oct51450001
922452217
1010899457
116174a18
123797681
1323480aa
14163a169
15e54707
hexa65001

10899457 has 4 divisors (see below), whose sum is σ = 10915540. Its totient is φ = 10883376.

The previous prime is 10899451. The next prime is 10899463. The reversal of 10899457 is 75499801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75499801 = 135807677.

It is an interprime number because it is at equal distance from previous prime (10899451) and next prime (10899463).

It can be written as a sum of positive squares in 2 ways, for example, as 665856 + 10233601 = 816^2 + 3199^2 .

It is a cyclic number.

It is not a de Polignac number, because 10899457 - 211 = 10897409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10899451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6978 + ... + 8395.

It is an arithmetic number, because the mean of its divisors is an integer number (2728885).

It is a Proth number, since it is equal to 2661 ⋅ 212 + 1 and 2661 < 212.

Almost surely, 210899457 is an apocalyptic number.

It is an amenable number.

10899457 is a deficient number, since it is larger than the sum of its proper divisors (16083).

10899457 is an equidigital number, since it uses as much as digits as its factorization.

10899457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16082.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 10899457 is about 3301.4325678408. The cubic root of 10899457 is about 221.7183412295.

The spelling of 10899457 in words is "ten million, eight hundred ninety-nine thousand, four hundred fifty-seven".

Divisors: 1 709 15373 10899457