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98893457 = 137607189
BaseRepresentation
bin1011110010011…
…11111010010001
320220002022022122
411321033322101
5200304042312
613451344025
72310403055
oct571177221
9226068278
1098893457
1150906133
1229152015
1317646c50
14d1c3c65
158a36b72
hex5e4fe91

98893457 has 4 divisors (see below), whose sum is σ = 106500660. Its totient is φ = 91286256.

The previous prime is 98893433. The next prime is 98893469. The reversal of 98893457 is 75439889.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75439889 = 710777127.

It can be written as a sum of positive squares in 2 ways, for example, as 67634176 + 31259281 = 8224^2 + 5591^2 .

It is a cyclic number.

It is not a de Polignac number, because 98893457 - 216 = 98827921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98893399 and 98893408.

It is not an unprimeable number, because it can be changed into a prime (98893477) 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, 3803582 + ... + 3803607.

It is an arithmetic number, because the mean of its divisors is an integer number (26625165).

Almost surely, 298893457 is an apocalyptic number.

It is an amenable number.

98893457 is a deficient number, since it is larger than the sum of its proper divisors (7607203).

98893457 is a wasteful number, since it uses less digits than its factorization.

98893457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7607202.

The product of its digits is 2177280, while the sum is 53.

The square root of 98893457 is about 9944.5189426136. The cubic root of 98893457 is about 462.4404902249.

The spelling of 98893457 in words is "ninety-eight million, eight hundred ninety-three thousand, four hundred fifty-seven".

Divisors: 1 13 7607189 98893457