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2233520401 = 72172681297
BaseRepresentation
bin1000010100100000…
…1101000100010001
312202122202120222211
42011020031010101
514033240123101
61005344032121
7106230416200
oct20510150421
95678676884
102233520401
11a46844a32
12524002641
13297969b08
141728c5237
15d113dc51
hex8520d111

2233520401 has 12 divisors (see below), whose sum is σ = 2751011748. Its totient is φ = 1801830912.

The previous prime is 2233520389. The next prime is 2233520407. The reversal of 2233520401 is 1040253322.

It can be written as a sum of positive squares in 2 ways, for example, as 1842469776 + 391050625 = 42924^2 + 19775^2 .

It is not a de Polignac number, because 2233520401 - 219 = 2232996113 is a prime.

It is a super-2 number, since 2×22335204012 = 9977226763366401602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2233520407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1339816 + ... + 1341481.

It is an arithmetic number, because the mean of its divisors is an integer number (229250979).

Almost surely, 22233520401 is an apocalyptic number.

It is an amenable number.

2233520401 is a deficient number, since it is larger than the sum of its proper divisors (517491347).

2233520401 is a wasteful number, since it uses less digits than its factorization.

2233520401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2681328 (or 2681321 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2233520401 is about 47260.1354314606. The cubic root of 2233520401 is about 1307.1636867028.

Adding to 2233520401 its reverse (1040253322), we get a palindrome (3273773723).

The spelling of 2233520401 in words is "two billion, two hundred thirty-three million, five hundred twenty thousand, four hundred one".

Divisors: 1 7 17 49 119 833 2681297 18769079 45582049 131383553 319074343 2233520401