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98042761 = 464921089
BaseRepresentation
bin1011101100000…
…00001110001001
320211111002101101
411312000032021
5200044332021
613421221401
72300230645
oct566001611
9224432341
1098042761
1150384a83
1228a01861
131740998b
14d041c25
158919a91
hex5d80389

98042761 has 4 divisors (see below), whose sum is σ = 98068500. Its totient is φ = 98017024.

The previous prime is 98042759. The next prime is 98042773. The reversal of 98042761 is 16724089.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 96432400 + 1610361 = 9820^2 + 1269^2 .

It is a cyclic number.

It is not a de Polignac number, because 98042761 - 21 = 98042759 is a prime.

It is a super-2 number, since 2×980427612 = 19224765969006242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 98042761.

It is not an unprimeable number, because it can be changed into a prime (98043761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5896 + ... + 15193.

It is an arithmetic number, because the mean of its divisors is an integer number (24517125).

Almost surely, 298042761 is an apocalyptic number.

It is an amenable number.

98042761 is a deficient number, since it is larger than the sum of its proper divisors (25739).

98042761 is a wasteful number, since it uses less digits than its factorization.

98042761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25738.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 98042761 is about 9901.6544577156. The cubic root of 98042761 is about 461.1106762123.

The spelling of 98042761 in words is "ninety-eight million, forty-two thousand, seven hundred sixty-one".

Divisors: 1 4649 21089 98042761