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8372994 = 237199357
BaseRepresentation
bin11111111100001100000010
3120202101120220
4133330030002
54120413434
6455243510
7131112030
oct37741402
916671526
108372994
1147a9833
122979596
131972146
14117d550
15b05d49
hex7fc302

8372994 has 16 divisors (see below), whose sum is σ = 19138368. Its totient is φ = 2392272.

The previous prime is 8372971. The next prime is 8372999. The reversal of 8372994 is 4992738.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 199357 = 8372994 / (8 + 3 + 7 + 2 + 9 + 9 + 4).

It is a d-powerful number, because it can be written as 87 + 314 + 77 + 217 + 94 + 96 + 44 .

It is not an unprimeable number, because it can be changed into a prime (8372999) 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, 99637 + ... + 99720.

It is an arithmetic number, because the mean of its divisors is an integer number (1196148).

Almost surely, 28372994 is an apocalyptic number.

8372994 is an abundant number, since it is smaller than the sum of its proper divisors (10765374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8372994 is a wasteful number, since it uses less digits than its factorization.

8372994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199369.

The product of its digits is 108864, while the sum is 42.

The square root of 8372994 is about 2893.6126209291. The cubic root of 8372994 is about 203.0611898659.

The spelling of 8372994 in words is "eight million, three hundred seventy-two thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 7 14 21 42 199357 398714 598071 1196142 1395499 2790998 4186497 8372994