Search a number
-
+
1146147830 = 25198372679
BaseRepresentation
bin100010001010000…
…1101001111110110
32221212200100020122
41010110031033312
54321403212310
6305421531542
740255044602
oct10424151766
92855610218
101146147830
11538a74913
1227ba13bb2
131535ba8a9
14ac312502
156a94e555
hex4450d3f6

1146147830 has 32 divisors (see below), whose sum is σ = 2197843200. Its totient is φ = 429090912.

The previous prime is 1146147823. The next prime is 1146147851. The reversal of 1146147830 is 387416411.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20570 + ... + 52109.

It is an arithmetic number, because the mean of its divisors is an integer number (68682600).

Almost surely, 21146147830 is an apocalyptic number.

1146147830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1146147830 is a deficient number, since it is larger than the sum of its proper divisors (1051695370).

1146147830 is a wasteful number, since it uses less digits than its factorization.

1146147830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72788.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 1146147830 is about 33854.8051242361. The cubic root of 1146147830 is about 1046.5184247613.

The spelling of 1146147830 in words is "one billion, one hundred forty-six million, one hundred forty-seven thousand, eight hundred thirty".

Divisors: 1 2 5 10 19 38 83 95 166 190 415 830 1577 3154 7885 15770 72679 145358 363395 726790 1380901 2761802 6032357 6904505 12064714 13809010 30161785 60323570 114614783 229229566 573073915 1146147830