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43522070401 = 372153546341
BaseRepresentation
bin101000100010000111…
…100001011110000001
311011100010110020210101
4220202013201132001
51203113122223101
631554353002401
73100342331425
oct504207413601
9134303406711
1043522070401
111750408a727
128527553401
1341479787a4
14216c272b85
1511ead03401
hexa221e1781

43522070401 has 8 divisors (see below), whose sum is σ = 44719185384. Its totient is φ = 42326052480.

The previous prime is 43522070393. The next prime is 43522070411. The reversal of 43522070401 is 10407022534.

It can be written as a sum of positive squares in 4 ways, for example, as 4438757376 + 39083313025 = 66624^2 + 197695^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43522070401 - 23 = 43522070393 is a prime.

It is a super-2 number, since 2×435220704012 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43522070401.

It is not an unprimeable number, because it can be changed into a prime (43522070411) 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, 193510 + ... + 352831.

It is an arithmetic number, because the mean of its divisors is an integer number (5589898173).

Almost surely, 243522070401 is an apocalyptic number.

It is an amenable number.

43522070401 is a deficient number, since it is larger than the sum of its proper divisors (1197114983).

43522070401 is a wasteful number, since it uses less digits than its factorization.

43522070401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548531.

The product of its (nonzero) digits is 6720, while the sum is 28.

Adding to 43522070401 its reverse (10407022534), we get a palindrome (53929092935).

The spelling of 43522070401 in words is "forty-three billion, five hundred twenty-two million, seventy thousand, four hundred one".

Divisors: 1 37 2153 79661 546341 20214617 1176272173 43522070401