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1120389929 = 1979746429
BaseRepresentation
bin100001011000111…
…1100101100101001
32220002012201001022
41002301330230221
54243304434204
6303101502225
736523104641
oct10261745451
92802181038
101120389929
1152548159a
12273271975
1314b16c729
14a8b29521
15685625be
hex42c7cb29

1120389929 has 8 divisors (see below), whose sum is σ = 1194288000. Its totient is φ = 1047984912.

The previous prime is 1120389889. The next prime is 1120389937. The reversal of 1120389929 is 9299830211.

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 1120389929 - 216 = 1120324393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1120389929.

It is not an unprimeable number, because it can be changed into a prime (1120389979) 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, 371714 + ... + 374715.

It is an arithmetic number, because the mean of its divisors is an integer number (149286000).

Almost surely, 21120389929 is an apocalyptic number.

1120389929 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1120389929 is a deficient number, since it is larger than the sum of its proper divisors (73898071).

1120389929 is an equidigital number, since it uses as much as digits as its factorization.

1120389929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746527.

The product of its (nonzero) digits is 69984, while the sum is 44.

The square root of 1120389929 is about 33472.2262331026. The cubic root of 1120389929 is about 1038.6193244839.

The spelling of 1120389929 in words is "one billion, one hundred twenty million, three hundred eighty-nine thousand, nine hundred twenty-nine".

Divisors: 1 19 79 1501 746429 14182151 58967891 1120389929