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7642066 = 219201107
BaseRepresentation
bin11101001001101111010010
3112101020221111
4131021233102
53424021231
6431443534
7121646035
oct35115722
915336844
107642066
11434a663
1226865aa
131777543
14102d01c
15a0e4b1
hex749bd2

7642066 has 8 divisors (see below), whose sum is σ = 12066480. Its totient is φ = 3619908.

The previous prime is 7642043. The next prime is 7642069. The reversal of 7642066 is 6602467.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 100516 + ... + 100591.

It is an arithmetic number, because the mean of its divisors is an integer number (1508310).

Almost surely, 27642066 is an apocalyptic number.

7642066 is a deficient number, since it is larger than the sum of its proper divisors (4424414).

7642066 is a wasteful number, since it uses less digits than its factorization.

7642066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201128.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 7642066 is about 2764.4286932384. The cubic root of 7642066 is about 196.9715918393.

The spelling of 7642066 in words is "seven million, six hundred forty-two thousand, sixty-six".

Divisors: 1 2 19 38 201107 402214 3821033 7642066