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7642068 = 223790977
BaseRepresentation
bin11101001001101111010100
3112101020221120
4131021233110
53424021233
6431443540
7121646040
oct35115724
915336846
107642068
11434a665
1226865b0
131777545
14102d020
15a0e4b3
hex749bd4

7642068 has 24 divisors (see below), whose sum is σ = 20379072. Its totient is φ = 2183424.

The previous prime is 7642043. The next prime is 7642069. The reversal of 7642068 is 8602467.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7642069) 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 7 ways as a sum of consecutive naturals, for example, 45405 + ... + 45572.

It is an arithmetic number, because the mean of its divisors is an integer number (849128).

Almost surely, 27642068 is an apocalyptic number.

It is an amenable number.

7642068 is an abundant number, since it is smaller than the sum of its proper divisors (12737004).

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

7642068 is a wasteful number, since it uses less digits than its factorization.

7642068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90991 (or 90989 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 7642068 is about 2764.4290549768. The cubic root of 7642068 is about 196.9716090224.

The spelling of 7642068 in words is "seven million, six hundred forty-two thousand, sixty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 90977 181954 272931 363908 545862 636839 1091724 1273678 1910517 2547356 3821034 7642068