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98421049 = 139970351
BaseRepresentation
bin1011101110111…
…00100100111001
320212012022022001
411313130210321
5200143433144
613433301001
72303364556
oct567344471
9225168261
1098421049
1150613211
1228b64761
131750cc0c
14d0dda2d
158991bd4
hex5ddc939

98421049 has 4 divisors (see below), whose sum is σ = 98492800. Its totient is φ = 98349300.

The previous prime is 98421031. The next prime is 98421067. The reversal of 98421049 is 94012489.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 94012489 = 769912211.

It is an interprime number because it is at equal distance from previous prime (98421031) and next prime (98421067).

It is a cyclic number.

It is not a de Polignac number, because 98421049 - 25 = 98421017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98420999 and 98421017.

It is not an unprimeable number, because it can be changed into a prime (98421019) 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, 33777 + ... + 36574.

It is an arithmetic number, because the mean of its divisors is an integer number (24623200).

Almost surely, 298421049 is an apocalyptic number.

It is an amenable number.

98421049 is a deficient number, since it is larger than the sum of its proper divisors (71751).

98421049 is a wasteful number, since it uses less digits than its factorization.

98421049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71750.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 98421049 is about 9920.7383293785. The cubic root of 98421049 is about 461.7029646174.

The spelling of 98421049 in words is "ninety-eight million, four hundred twenty-one thousand, forty-nine".

Divisors: 1 1399 70351 98421049