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40233029 = 61365633
BaseRepresentation
bin1001100101111…
…0100001000101
32210201001100012
42121132201011
540244424104
63554200005
7665655314
oct231364105
983631305
1040233029
112078a741
1211583005
138448935
1454b427b
1537ead6e
hex265e845

40233029 has 4 divisors (see below), whose sum is σ = 40299276. Its totient is φ = 40166784.

The previous prime is 40233007. The next prime is 40233077. The reversal of 40233029 is 92033204.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10824100 + 29408929 = 3290^2 + 5423^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-40233029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40232995 and 40233013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40233229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32204 + ... + 33429.

It is an arithmetic number, because the mean of its divisors is an integer number (10074819).

Almost surely, 240233029 is an apocalyptic number.

It is an amenable number.

40233029 is a deficient number, since it is larger than the sum of its proper divisors (66247).

40233029 is an equidigital number, since it uses as much as digits as its factorization.

40233029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66246.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 40233029 is about 6342.9511270386. The cubic root of 40233029 is about 342.6580271348.

The spelling of 40233029 in words is "forty million, two hundred thirty-three thousand, twenty-nine".

Divisors: 1 613 65633 40233029