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235202421 = 3142754941
BaseRepresentation
bin11100000010011…
…10011101110101
3121101120112001210
432001032131311
5440202434141
635201112033
75554121226
oct1601163565
9541515053
10235202421
11110847073
1266928619
133996123c
142334724d
15159ae916
hexe04e775

235202421 has 8 divisors (see below), whose sum is σ = 313828704. Its totient is φ = 156688880.

The previous prime is 235202411. The next prime is 235202431. The reversal of 235202421 is 124202532.

It is an interprime number because it is at equal distance from previous prime (235202411) and next prime (235202431).

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 235202421 - 213 = 235194229 is a prime.

It is a super-2 number, since 2×2352024212 = 110640357688522482, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235202411) 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, 23190 + ... + 31751.

It is an arithmetic number, because the mean of its divisors is an integer number (39228588).

Almost surely, 2235202421 is an apocalyptic number.

It is an amenable number.

235202421 is a deficient number, since it is larger than the sum of its proper divisors (78626283).

235202421 is a wasteful number, since it uses less digits than its factorization.

235202421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56371.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 235202421 is about 15336.3105406744. The cubic root of 235202421 is about 617.2777115726.

Adding to 235202421 its reverse (124202532), we get a palindrome (359404953).

The spelling of 235202421 in words is "two hundred thirty-five million, two hundred two thousand, four hundred twenty-one".

Divisors: 1 3 1427 4281 54941 164823 78400807 235202421