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1040020030 = 25717238623
BaseRepresentation
bin111101111111010…
…111001000111110
32200110222111021101
4331333113020332
54112221120110
6251111123314
734526011240
oct7577271076
92613874241
101040020030
11494078495
1225037353a
1313760cb8a
149c1a8090
156148913a
hex3dfd723e

1040020030 has 32 divisors (see below), whose sum is σ = 2140959744. Its totient is φ = 356330016.

The previous prime is 1040020001. The next prime is 1040020057. The reversal of 1040020030 is 300200401.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 1040019989 and 1040020016.

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, 116299 + ... + 124921.

It is an arithmetic number, because the mean of its divisors is an integer number (66904992).

Almost surely, 21040020030 is an apocalyptic number.

1040020030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1040020030 is an abundant number, since it is smaller than the sum of its proper divisors (1100939714).

1040020030 is a wasteful number, since it uses less digits than its factorization.

1040020030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10360.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 1040020030 is about 32249.3415436657. The cubic root of 1040020030 is about 1013.1659081319.

Adding to 1040020030 its reverse (300200401), we get a palindrome (1340220431).

The spelling of 1040020030 in words is "one billion, forty million, twenty thousand, thirty".

Divisors: 1 2 5 7 10 14 35 70 1723 3446 8615 8623 12061 17230 17246 24122 43115 60305 60361 86230 120610 120722 301805 603610 14857429 29714858 74287145 104002003 148574290 208004006 520010015 1040020030