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352420023 = 3117473341
BaseRepresentation
bin10101000000011…
…000000010110111
3220120010210101110
4111000120002313
51210204420043
654545330103
711506343424
oct2500300267
9816123343
10352420023
11170a2841a
129a036933
1358022877
1434b3ad4b
1520e15b33
hex150180b7

352420023 has 4 divisors (see below), whose sum is σ = 469893368. Its totient is φ = 234946680.

The previous prime is 352420009. The next prime is 352420043. The reversal of 352420023 is 320024253.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 352420023 - 213 = 352411831 is a prime.

It is a super-2 number, since 2×3524200232 = 248399745222641058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352420043) 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 3 ways as a sum of consecutive naturals, for example, 58736668 + ... + 58736673.

It is an arithmetic number, because the mean of its divisors is an integer number (117473342).

Almost surely, 2352420023 is an apocalyptic number.

352420023 is a deficient number, since it is larger than the sum of its proper divisors (117473345).

352420023 is a wasteful number, since it uses less digits than its factorization.

352420023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117473344.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 352420023 is about 18772.8533526473. The cubic root of 352420023 is about 706.3503939774.

Adding to 352420023 its reverse (320024253), we get a palindrome (672444276).

The spelling of 352420023 in words is "three hundred fifty-two million, four hundred twenty thousand, twenty-three".

Divisors: 1 3 117473341 352420023