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235214440 = 2355880361
BaseRepresentation
bin11100000010100…
…01011001101000
3121101121010112221
432001101121220
5440203330230
635201243424
75554201246
oct1601213150
9541533487
10235214440
111108550aa
1266933574
1339966856
142334b796
15159b327a
hexe051668

235214440 has 16 divisors (see below), whose sum is σ = 529232580. Its totient is φ = 94085760.

The previous prime is 235214437. The next prime is 235214459. The reversal of 235214440 is 44412532.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 231222436 + 3992004 = 15206^2 + 1998^2 .

It is an unprimeable number.

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, 2940141 + ... + 2940220.

Almost surely, 2235214440 is an apocalyptic number.

235214440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

235214440 is an abundant number, since it is smaller than the sum of its proper divisors (294018140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

235214440 is a wasteful number, since it uses less digits than its factorization.

235214440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5880372 (or 5880368 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 235214440 is about 15336.7023834982. The cubic root of 235214440 is about 617.2882258272.

Adding to 235214440 its reverse (44412532), we get a palindrome (279626972).

The spelling of 235214440 in words is "two hundred thirty-five million, two hundred fourteen thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 5880361 11760722 23521444 29401805 47042888 58803610 117607220 235214440