Search a number
-
+
103020130 = 2531439757
BaseRepresentation
bin1100010001111…
…11011001100010
321011211222001101
412020333121202
5202333121010
614120025014
72360441143
oct610773142
9234758041
10103020130
1153174604
122a60216a
1318460375
14d979aca
15909e73a
hex623f662

103020130 has 32 divisors (see below), whose sum is σ = 192107520. Its totient is φ = 39735360.

The previous prime is 103020107. The next prime is 103020149. The reversal of 103020130 is 31020301.

It is a super-2 number, since 2×1030201302 = 21226294370433800, which contains 22 as substring.

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

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, 135712 + ... + 136468.

It is an arithmetic number, because the mean of its divisors is an integer number (6003360).

Almost surely, 2103020130 is an apocalyptic number.

103020130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103020130 is a deficient number, since it is larger than the sum of its proper divisors (89087390).

103020130 is a wasteful number, since it uses less digits than its factorization.

103020130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 103020130 is about 10149.8832505601. The cubic root of 103020130 is about 468.7853501044.

Adding to 103020130 its reverse (31020301), we get a palindrome (134040431).

The spelling of 103020130 in words is "one hundred three million, twenty thousand, one hundred thirty".

Divisors: 1 2 5 10 31 62 155 310 439 757 878 1514 2195 3785 4390 7570 13609 23467 27218 46934 68045 117335 136090 234670 332323 664646 1661615 3323230 10302013 20604026 51510065 103020130