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7970994 = 2331719457
BaseRepresentation
bin11110011010000010110010
3112222222011000
4132122002302
54020032434
6442502430
7124516023
oct36320262
915888130
107970994
1145547a9
122804a16
131861185
1410b6c4a
15a76b99
hex79a0b2

7970994 has 64 divisors (see below), whose sum is σ = 19785600. Its totient is φ = 2363904.

The previous prime is 7970993. The next prime is 7971017. The reversal of 7970994 is 4990797.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7970993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17214 + ... + 17670.

It is an arithmetic number, because the mean of its divisors is an integer number (309150).

Almost surely, 27970994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7970994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9892800).

7970994 is an abundant number, since it is smaller than the sum of its proper divisors (11814606).

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

7970994 is a wasteful number, since it uses less digits than its factorization.

7970994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504 (or 498 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The square root of 7970994 is about 2823.2948836422. The cubic root of 7970994 is about 199.7579906087.

The spelling of 7970994 in words is "seven million, nine hundred seventy thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 9 17 18 19 27 34 38 51 54 57 102 114 153 171 306 323 342 457 459 513 646 914 918 969 1026 1371 1938 2742 2907 4113 5814 7769 8226 8683 8721 12339 15538 17366 17442 23307 24678 26049 46614 52098 69921 78147 139842 147611 156294 209763 234441 295222 419526 442833 468882 885666 1328499 2656998 3985497 7970994