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98972641 = 331299011
BaseRepresentation
bin1011110011000…
…11001111100001
320220020022221101
411321203033201
5200314111031
613453154401
72311152655
oct571431741
9226208841
1098972641
115095a679
122918ba01
1317673cc1
14d204a65
158a50361
hex5e633e1

98972641 has 4 divisors (see below), whose sum is σ = 99271984. Its totient is φ = 98673300.

The previous prime is 98972639. The next prime is 98972663. The reversal of 98972641 is 14627989.

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 98972641 - 21 = 98972639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98972591 and 98972600.

It is not an unprimeable number, because it can be changed into a prime (98972141) 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, 149175 + ... + 149836.

It is an arithmetic number, because the mean of its divisors is an integer number (24817996).

Almost surely, 298972641 is an apocalyptic number.

It is an amenable number.

98972641 is a deficient number, since it is larger than the sum of its proper divisors (299343).

98972641 is a wasteful number, since it uses less digits than its factorization.

98972641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299342.

The product of its digits is 217728, while the sum is 46.

The square root of 98972641 is about 9948.4994345881. The cubic root of 98972641 is about 462.5638826781.

The spelling of 98972641 in words is "ninety-eight million, nine hundred seventy-two thousand, six hundred forty-one".

Divisors: 1 331 299011 98972641