Search a number
-
+
7069890 = 235235663
BaseRepresentation
bin11010111110000011000010
3111022012001210
4122332003002
53302214030
6411310550
7114043632
oct32760302
914265053
107069890
113a99793
12244b456
131606c89
14d206c2
15949bb0
hex6be0c2

7069890 has 16 divisors (see below), whose sum is σ = 16967808. Its totient is φ = 1885296.

The previous prime is 7069889. The next prime is 7069897. The reversal of 7069890 is 989607.

It is a super-2 number, since 2×70698902 = 99966689224200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7069897) 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 7 ways as a sum of consecutive naturals, for example, 117802 + ... + 117861.

It is an arithmetic number, because the mean of its divisors is an integer number (1060488).

Almost surely, 27069890 is an apocalyptic number.

7069890 is an abundant number, since it is smaller than the sum of its proper divisors (9897918).

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

7069890 is a wasteful number, since it uses less digits than its factorization.

7069890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235673.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 7069890 is about 2658.9264751023. The cubic root of 7069890 is about 191.9276528640.

The spelling of 7069890 in words is "seven million, sixty-nine thousand, eight hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 235663 471326 706989 1178315 1413978 2356630 3534945 7069890