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33223001 = 719249797
BaseRepresentation
bin111111010111…
…1000101011001
32022111220101112
41332233011121
532001114001
63144030105
7552251030
oct176570531
968456345
1033223001
1117831a29
12b162335
136b62ca6
1445ab717
152db3cbb
hex1faf159

33223001 has 8 divisors (see below), whose sum is σ = 39967680. Its totient is φ = 26977968.

The previous prime is 33222989. The next prime is 33223007. The reversal of 33223001 is 10032233.

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 33223001 - 210 = 33221977 is a prime.

It is a super-2 number, since 2×332230012 = 2207535590892002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33223007) 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, 124766 + ... + 125031.

It is an arithmetic number, because the mean of its divisors is an integer number (4995960).

Almost surely, 233223001 is an apocalyptic number.

It is an amenable number.

33223001 is a deficient number, since it is larger than the sum of its proper divisors (6744679).

33223001 is a wasteful number, since it uses less digits than its factorization.

33223001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249823.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 33223001 is about 5763.9397116903. The cubic root of 33223001 is about 321.4743200539.

Adding to 33223001 its reverse (10032233), we get a palindrome (43255234).

It can be divided in two parts, 3 and 3223001, that multiplied together give a triangular number (9669003 = T4397).

The spelling of 33223001 in words is "thirty-three million, two hundred twenty-three thousand, one".

Divisors: 1 7 19 133 249797 1748579 4746143 33223001