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7242772 = 221810693
BaseRepresentation
bin11011101000010000010100
3111121222012211
4123220100110
53323232042
6415123204
7115363645
oct33502024
914558184
107242772
1140a7669
122513504
131667884
14d676cc
15981017
hex6e8414

7242772 has 6 divisors (see below), whose sum is σ = 12674858. Its totient is φ = 3621384.

The previous prime is 7242751. The next prime is 7242793. The reversal of 7242772 is 2772427.

It is an interprime number because it is at equal distance from previous prime (7242751) and next prime (7242793).

It can be written as a sum of positive squares in only one way, i.e., 7160976 + 81796 = 2676^2 + 286^2 .

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 905343 + ... + 905350.

Almost surely, 27242772 is an apocalyptic number.

It is an amenable number.

7242772 is a deficient number, since it is larger than the sum of its proper divisors (5432086).

7242772 is a wasteful number, since it uses less digits than its factorization.

7242772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1810697 (or 1810695 counting only the distinct ones).

The product of its digits is 10976, while the sum is 31.

The square root of 7242772 is about 2691.2398629628. The cubic root of 7242772 is about 193.4794918028.

The spelling of 7242772 in words is "seven million, two hundred forty-two thousand, seven hundred seventy-two".

Divisors: 1 2 4 1810693 3621386 7242772