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1090244309 = 71114159017
BaseRepresentation
bin100000011111011…
…1100111011010101
32210222111011000212
41000332330323111
54213100304214
6300103415205
736005631560
oct10076747325
92728434025
101090244309
1150a461760
12265154505
13144b4639b
14a4b1d4d7
1565aaa53e
hex40fbced5

1090244309 has 8 divisors (see below), whose sum is σ = 1359265728. Its totient is φ = 849540960.

The previous prime is 1090244279. The next prime is 1090244329. The reversal of 1090244309 is 9034420901.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1090244309 - 220 = 1089195733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090244329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7079432 + ... + 7079585.

It is an arithmetic number, because the mean of its divisors is an integer number (169908216).

Almost surely, 21090244309 is an apocalyptic number.

It is an amenable number.

1090244309 is a deficient number, since it is larger than the sum of its proper divisors (269021419).

1090244309 is a wasteful number, since it uses less digits than its factorization.

1090244309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14159035.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 1090244309 is about 33018.8477842580. The cubic root of 1090244309 is about 1029.2193503588.

The spelling of 1090244309 in words is "one billion, ninety million, two hundred forty-four thousand, three hundred nine".

Divisors: 1 7 11 77 14159017 99113119 155749187 1090244309