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7942998 = 237227017
BaseRepresentation
bin11110010011001101010110
3112221112202010
4132103031112
54013133443
6442125050
7124341300
oct36231526
915845663
107942998
114535768
1227b0786
1318514cb
1410aa970
15a6d733
hex793356

7942998 has 24 divisors (see below), whose sum is σ = 18480312. Its totient is φ = 2269344.

The previous prime is 7942997. The next prime is 7942999. The reversal of 7942998 is 8992497.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7942997) and next prime (7942999).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7942997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13215 + ... + 13802.

It is an arithmetic number, because the mean of its divisors is an integer number (770013).

Almost surely, 27942998 is an apocalyptic number.

7942998 is an abundant number, since it is smaller than the sum of its proper divisors (10537314).

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

7942998 is a wasteful number, since it uses less digits than its factorization.

7942998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27036 (or 27029 counting only the distinct ones).

The product of its digits is 326592, while the sum is 48.

The square root of 7942998 is about 2818.3324857085. The cubic root of 7942998 is about 199.5238506419.

The spelling of 7942998 in words is "seven million, nine hundred forty-two thousand, nine hundred ninety-eight".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 27017 54034 81051 162102 189119 378238 567357 1134714 1323833 2647666 3971499 7942998