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352247401 = 11711632767
BaseRepresentation
bin10100111111101…
…101111001101001
3220112211000121001
4110333231321221
51210133404101
654541515001
711505024232
oct2477557151
9815730531
10352247401
1117091a760
1299b72a61
1357c9211c
1434ad4089
1520dce901
hex14fede69

352247401 has 16 divisors (see below), whose sum is σ = 392214528. Its totient is φ = 313664400.

The previous prime is 352247393. The next prime is 352247407. The reversal of 352247401 is 104742253.

It is a cyclic number.

It is not a de Polignac number, because 352247401 - 23 = 352247393 is a prime.

It is a super-2 number, since 2×3522474012 = 248156463022509602, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 352247401.

It is not an unprimeable number, because it can be changed into a prime (352247407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125920 + ... + 128686.

It is an arithmetic number, because the mean of its divisors is an integer number (24513408).

Almost surely, 2352247401 is an apocalyptic number.

It is an amenable number.

352247401 is a deficient number, since it is larger than the sum of its proper divisors (39967127).

352247401 is a wasteful number, since it uses less digits than its factorization.

352247401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3012.

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

The square root of 352247401 is about 18768.2551399964. The cubic root of 352247401 is about 706.2350472100.

Adding to 352247401 its reverse (104742253), we get a palindrome (456989654).

The spelling of 352247401 in words is "three hundred fifty-two million, two hundred forty-seven thousand, four hundred one".

Divisors: 1 11 71 163 781 1793 2767 11573 30437 127303 196457 451021 2161027 4961231 32022491 352247401