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2300030220 = 2235139275783
BaseRepresentation
bin1000100100010111…
…1010110100001100
312221021220122022110
42021011322310030
514202301431340
61020121344020
7110665635315
oct21105726414
95837818273
102300030220
11a80341824
12542338010
132a8685b37
1417b67960c
15d6dca680
hex8917ad0c

2300030220 has 48 divisors (see below), whose sum is σ = 6486439680. Its totient is φ = 608926656.

The previous prime is 2300030209. The next prime is 2300030231. The reversal of 2300030220 is 220300032.

It is an interprime number because it is at equal distance from previous prime (2300030209) and next prime (2300030231).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2300030196 and 2300030205.

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, 129552 + ... + 146231.

It is an arithmetic number, because the mean of its divisors is an integer number (135134160).

Almost surely, 22300030220 is an apocalyptic number.

2300030220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2300030220 is an abundant number, since it is smaller than the sum of its proper divisors (4186409460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2300030220 is a wasteful number, since it uses less digits than its factorization.

2300030220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275934 (or 275932 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 2300030220 is about 47958.6302973719. The cubic root of 2300030220 is about 1320.0119030148.

Adding to 2300030220 its reverse (220300032), we get a palindrome (2520330252).

The spelling of 2300030220 in words is "two billion, three hundred million, thirty thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 139 278 417 556 695 834 1390 1668 2085 2780 4170 8340 275783 551566 827349 1103132 1378915 1654698 2757830 3309396 4136745 5515660 8273490 16546980 38333837 76667674 115001511 153335348 191669185 230003022 383338370 460006044 575007555 766676740 1150015110 2300030220