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2231401232 = 241767122443
BaseRepresentation
bin1000010100000000…
…0111101100010000
312202111202221001002
42011000013230100
514032214314412
61005230401132
7106203411644
oct20500075420
95674687032
102231401232
11a45627855
125233601a8
132973a7378
141724d2c24
15d0d70dc2
hex85007b10

2231401232 has 40 divisors (see below), whose sum is σ = 4646015136. Its totient is φ = 1034390016.

The previous prime is 2231401231. The next prime is 2231401243. The reversal of 2231401232 is 2321041322.

It is a super-3 number, since 3×22314012323 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (2231401231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42998 + ... + 79445.

Almost surely, 22231401232 is an apocalyptic number.

It is an amenable number.

2231401232 is an abundant number, since it is smaller than the sum of its proper divisors (2414613904).

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

2231401232 is a wasteful number, since it uses less digits than its factorization.

2231401232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122535 (or 122529 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2231401232 is about 47237.7098513465. The cubic root of 2231401232 is about 1306.7501426378.

Adding to 2231401232 its reverse (2321041322), we get a palindrome (4552442554).

The spelling of 2231401232 in words is "two billion, two hundred thirty-one million, four hundred one thousand, two hundred thirty-two".

Divisors: 1 2 4 8 16 17 34 67 68 134 136 268 272 536 1072 1139 2278 4556 9112 18224 122443 244886 489772 979544 1959088 2081531 4163062 8203681 8326124 16407362 16652248 32814724 33304496 65629448 131258896 139462577 278925154 557850308 1115700616 2231401232