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352423144 = 231491731709
BaseRepresentation
bin10101000000011…
…000110011101000
3220120010221200001
4111000120303220
51210210020034
654545352344
711506355503
oct2500306350
9816127601
10352423144
11170a2a7a7
129a0386b4
1358024108
1434b3c13a
1520e16a14
hex15018ce8

352423144 has 32 divisors (see below), whose sum is σ = 669465000. Its totient is φ = 173915392.

The previous prime is 352423139. The next prime is 352423147. The reversal of 352423144 is 441324253.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 259532100 + 92891044 = 16110^2 + 9638^2 .

It is not an unprimeable number, because it can be changed into a prime (352423147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205362 + ... + 207070.

Almost surely, 2352423144 is an apocalyptic number.

It is an amenable number.

352423144 is a deficient number, since it is larger than the sum of its proper divisors (317041856).

352423144 is a wasteful number, since it uses less digits than its factorization.

352423144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2037 (or 2033 counting only the distinct ones).

The product of its digits is 11520, while the sum is 28.

The square root of 352423144 is about 18772.9364778129. The cubic root of 352423144 is about 706.3524790964.

Adding to 352423144 its reverse (441324253), we get a palindrome (793747397).

The spelling of 352423144 in words is "three hundred fifty-two million, four hundred twenty-three thousand, one hundred forty-four".

Divisors: 1 2 4 8 149 173 298 346 596 692 1192 1384 1709 3418 6836 13672 25777 51554 103108 206216 254641 295657 509282 591314 1018564 1182628 2037128 2365256 44052893 88105786 176211572 352423144