Search a number
-
+
98023021 = 107916103
BaseRepresentation
bin1011101011110…
…11011001101101
320211110002022021
411311323121231
5200043214041
613420550141
72300116255
oct565733155
9224402267
1098023021
1150371168
12289b2351
13174009b5
14d038965
158913cd1
hex5d7b66d

98023021 has 4 divisors (see below), whose sum is σ = 98939232. Its totient is φ = 97106812.

The previous prime is 98023001. The next prime is 98023031. The reversal of 98023021 is 12032089.

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 98023021 - 27 = 98022893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98023001) 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, 457945 + ... + 458158.

It is an arithmetic number, because the mean of its divisors is an integer number (24734808).

Almost surely, 298023021 is an apocalyptic number.

It is an amenable number.

98023021 is a deficient number, since it is larger than the sum of its proper divisors (916211).

98023021 is a wasteful number, since it uses less digits than its factorization.

98023021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916210.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 98023021 is about 9900.6576044220. The cubic root of 98023021 is about 461.0797273501.

The spelling of 98023021 in words is "ninety-eight million, twenty-three thousand, twenty-one".

Divisors: 1 107 916103 98023021