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7998043 = 23438087
BaseRepresentation
bin11110100000101001011011
3120001100020211
4132200221123
54021414133
6443231551
7124660624
oct36405133
916040224
107998043
114573059
1228185b7
131870591
1410c2a4b
15a7ebcd
hex7a0a5b

7998043 has 8 divisors (see below), whose sum is σ = 8540928. Its totient is φ = 7471464.

The previous prime is 7998019. The next prime is 7998047. The reversal of 7998043 is 3408997.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7998043 - 213 = 7989851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7997987 and 7998005.

It is not an unprimeable number, because it can be changed into a prime (7998047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3055 + ... + 5032.

It is an arithmetic number, because the mean of its divisors is an integer number (1067616).

Almost surely, 27998043 is an apocalyptic number.

7998043 is a deficient number, since it is larger than the sum of its proper divisors (542885).

7998043 is a wasteful number, since it uses less digits than its factorization.

7998043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8153.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 7998043 is about 2828.0811515938. The cubic root of 7998043 is about 199.9836903367.

The spelling of 7998043 in words is "seven million, nine hundred ninety-eight thousand, forty-three".

Divisors: 1 23 43 989 8087 186001 347741 7998043