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98012969 = 199949031
BaseRepresentation
bin1011101011110…
…00111100101001
320211102120111222
411311320330221
5200042403334
613420431425
72300045045
oct565707451
9224376458
1098012969
115036465a
12289a8575
13173c9252
14d035025
158910d2e
hex5d78f29

98012969 has 4 divisors (see below), whose sum is σ = 98064000. Its totient is φ = 97961940.

The previous prime is 98012947. The next prime is 98012989. The reversal of 98012969 is 96921089.

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.

It is a cyclic number.

It is not a de Polignac number, because 98012969 - 28 = 98012713 is a prime.

It is a super-2 number, since 2×980129692 = 19213084184389922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98012989) 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, 22517 + ... + 26514.

It is an arithmetic number, because the mean of its divisors is an integer number (24516000).

Almost surely, 298012969 is an apocalyptic number.

It is an amenable number.

98012969 is a deficient number, since it is larger than the sum of its proper divisors (51031).

98012969 is a wasteful number, since it uses less digits than its factorization.

98012969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51030.

The product of its (nonzero) digits is 69984, while the sum is 44.

The square root of 98012969 is about 9900.1499483594. The cubic root of 98012969 is about 461.0639659783.

The spelling of 98012969 in words is "ninety-eight million, twelve thousand, nine hundred sixty-nine".

Divisors: 1 1999 49031 98012969