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225607540469 = 2973373285709
BaseRepresentation
bin1101001000011101000…
…0011101111011110101
3210120022222101112011012
43102013100131323311
512144021012243334
6251350452322005
722204523311253
oct3220720357365
9716288345135
10225607540469
1187752636393
1237883613305
131837569149c
14acc30155d3
155d066539ce
hex348741def5

225607540469 has 16 divisors (see below), whose sum is σ = 237219298800. Its totient is φ = 214267286016.

The previous prime is 225607540427. The next prime is 225607540493. The reversal of 225607540469 is 964045706522.

It can be written as a sum of positive squares in 8 ways, for example, as 13144622500 + 212462917969 = 114650^2 + 460937^2 .

It is not a de Polignac number, because 225607540469 - 236 = 156888063733 is a prime.

It is a super-2 number, since 2×2256075404692 (a number of 24 digits) 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 (225607540369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 646787 + ... + 932495.

It is an arithmetic number, because the mean of its divisors is an integer number (14826206175).

Almost surely, 2225607540469 is an apocalyptic number.

225607540469 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

225607540469 is a deficient number, since it is larger than the sum of its proper divisors (11611758331).

225607540469 is a wasteful number, since it uses less digits than its factorization.

225607540469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286184.

The product of its (nonzero) digits is 3628800, while the sum is 50.

The spelling of 225607540469 in words is "two hundred twenty-five billion, six hundred seven million, five hundred forty thousand, four hundred sixty-nine".

Divisors: 1 29 73 373 2117 10817 27229 285709 789641 8285561 20856757 106569457 604845953 3090514253 7779570361 225607540469