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11298897 = 321773849
BaseRepresentation
bin101011000110…
…100001010001
3210021001011200
4223012201101
510343031042
61042101413
7165016251
oct53064121
923231150
1011298897
116418035
12394a869
132457b4c
141701961
15ed2c4c
hexac6851

11298897 has 12 divisors (see below), whose sum is σ = 17280900. Its totient is φ = 7089408.

The previous prime is 11298853. The next prime is 11298899. The reversal of 11298897 is 79889211.

It can be written as a sum of positive squares in 2 ways, for example, as 9492561 + 1806336 = 3081^2 + 1344^2 .

It is not a de Polignac number, because 11298897 - 28 = 11298641 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (11298899) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36772 + ... + 37077.

It is an arithmetic number, because the mean of its divisors is an integer number (1440075).

Almost surely, 211298897 is an apocalyptic number.

11298897 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11298897 is a deficient number, since it is larger than the sum of its proper divisors (5982003).

11298897 is a wasteful number, since it uses less digits than its factorization.

11298897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73872 (or 73869 counting only the distinct ones).

The product of its digits is 72576, while the sum is 45.

The square root of 11298897 is about 3361.3831974352. The cubic root of 11298897 is about 224.3944010919.

The spelling of 11298897 in words is "eleven million, two hundred ninety-eight thousand, eight hundred ninety-seven".

Divisors: 1 3 9 17 51 153 73849 221547 664641 1255433 3766299 11298897