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7472642 = 28814241
BaseRepresentation
bin11100100000011000000010
3112001122112112
4130200120002
53403111032
6424055322
7120342062
oct34403002
915048475
107472642
114244341
122604542
1317183a8
14dc73a2
159c91b2
hex720602

7472642 has 8 divisors (see below), whose sum is σ = 11224332. Its totient is φ = 3731200.

The previous prime is 7472627. The next prime is 7472659. The reversal of 7472642 is 2462747.

It can be written as a sum of positive squares in 2 ways, for example, as 7295401 + 177241 = 2701^2 + 421^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 7472599 and 7472608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359 + ... + 3882.

Almost surely, 27472642 is an apocalyptic number.

7472642 is a deficient number, since it is larger than the sum of its proper divisors (3751690).

7472642 is a wasteful number, since it uses less digits than its factorization.

7472642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5124.

The product of its digits is 18816, while the sum is 32.

The square root of 7472642 is about 2733.6133596396. The cubic root of 7472642 is about 195.5050855226.

The spelling of 7472642 in words is "seven million, four hundred seventy-two thousand, six hundred forty-two".

Divisors: 1 2 881 1762 4241 8482 3736321 7472642