Search a number
-
+
1230522042 = 2319107281359
BaseRepresentation
bin100100101011000…
…0100011010111010
310011202102222220110
41021112010122322
510010003201132
6322034205150
742331156551
oct11126043272
93152388813
101230522042
11581663472
122a41237b6
13167c1cc69
14b95d6d98
15730691cc
hex495846ba

1230522042 has 64 divisors (see below), whose sum is σ = 2631398400. Its totient is φ = 382515840.

The previous prime is 1230522017. The next prime is 1230522071. The reversal of 1230522042 is 2402250321.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3427459 + ... + 3427817.

It is an arithmetic number, because the mean of its divisors is an integer number (41115600).

Almost surely, 21230522042 is an apocalyptic number.

1230522042 is an abundant number, since it is smaller than the sum of its proper divisors (1400876358).

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

1230522042 is a wasteful number, since it uses less digits than its factorization.

1230522042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 1230522042 is about 35078.7976133732. The cubic root of 1230522042 is about 1071.5928301867.

Adding to 1230522042 its reverse (2402250321), we get a palindrome (3632772363).

The spelling of 1230522042 in words is "one billion, two hundred thirty million, five hundred twenty-two thousand, forty-two".

Divisors: 1 2 3 6 19 38 57 107 114 214 281 321 359 562 642 718 843 1077 1686 2033 2154 4066 5339 6099 6821 10678 12198 13642 16017 20463 30067 32034 38413 40926 60134 76826 90201 100879 115239 180402 201758 230478 302637 571273 605274 729847 1142546 1459694 1713819 1916701 2189541 3427638 3833402 4379082 5750103 10794053 11500206 21588106 32382159 64764318 205087007 410174014 615261021 1230522042