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2306121428 = 2213192122849
BaseRepresentation
bin1000100101110100…
…1001111011010100
312221201101002212202
42021131021323110
514210331341203
61020500104032
7111101465042
oct21135117324
95851332782
102306121428
11a83822186
12544395018
132a9a094c0
1417c3c3392
15d76d0388
hex89749ed4

2306121428 has 36 divisors (see below), whose sum is σ = 4586973300. Its totient is φ = 1008336384.

The previous prime is 2306121397. The next prime is 2306121431. The reversal of 2306121428 is 8241216032.

It is a happy number.

2306121428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 655974544 + 1650146884 = 25612^2 + 40622^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2306121428.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42653 + ... + 80196.

It is an arithmetic number, because the mean of its divisors is an integer number (127415925).

Almost surely, 22306121428 is an apocalyptic number.

It is an amenable number.

2306121428 is a deficient number, since it is larger than the sum of its proper divisors (2280851872).

2306121428 is a wasteful number, since it uses less digits than its factorization.

2306121428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122904 (or 122883 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 2306121428 is about 48022.0931238945. The cubic root of 2306121428 is about 1321.1761456289.

The spelling of 2306121428 in words is "two billion, three hundred six million, one hundred twenty-one thousand, four hundred twenty-eight".

Divisors: 1 2 4 13 19 26 38 52 76 247 361 494 722 988 1444 4693 9386 18772 122849 245698 491396 1597037 2334131 3194074 4668262 6388148 9336524 30343703 44348489 60687406 88696978 121374812 177393956 576530357 1153060714 2306121428