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720553341 = 31931244479
BaseRepresentation
bin101010111100101…
…100010101111101
31212012211220100210
4222330230111331
52433430201331
6155255543033
723566413414
oct5274542575
91765756323
10720553341
1133a808432
1218138aa79
13b6387631
146b9a847b
15433d2446
hex2af2c57d

720553341 has 8 divisors (see below), whose sum is σ = 965716480. Its totient is φ = 477879552.

The previous prime is 720553333. The next prime is 720553349. The reversal of 720553341 is 143355027.

It is an interprime number because it is at equal distance from previous prime (720553333) and next prime (720553349).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 720553341 - 23 = 720553333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 720553299 and 720553308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720553349) 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, 621661 + ... + 622818.

It is an arithmetic number, because the mean of its divisors is an integer number (120714560).

Almost surely, 2720553341 is an apocalyptic number.

It is an amenable number.

720553341 is a deficient number, since it is larger than the sum of its proper divisors (245163139).

720553341 is a wasteful number, since it uses less digits than its factorization.

720553341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244675.

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 720553341 is about 26843.1246504575. The cubic root of 720553341 is about 896.5104965339.

The spelling of 720553341 in words is "seven hundred twenty million, five hundred fifty-three thousand, three hundred forty-one".

Divisors: 1 3 193 579 1244479 3733437 240184447 720553341