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613688470 = 2561368847
BaseRepresentation
bin100100100101000…
…010010010010110
31120202202121022121
4210211002102112
52224101012340
6140521250154
721131160133
oct4445022226
91522677277
10613688470
1129545825a
1215163395a
139a1ac295
145b70b58a
1538d2394a
hex24942496

613688470 has 8 divisors (see below), whose sum is σ = 1104639264. Its totient is φ = 245475384.

The previous prime is 613688419. The next prime is 613688483. The reversal of 613688470 is 74886316.

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

It is a super-2 number, since 2×6136884702 = 753227076421881800, which contains 22 as substring.

It is a congruent number.

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, 30684414 + ... + 30684433.

It is an arithmetic number, because the mean of its divisors is an integer number (138079908).

Almost surely, 2613688470 is an apocalyptic number.

613688470 is a deficient number, since it is larger than the sum of its proper divisors (490950794).

613688470 is a wasteful number, since it uses less digits than its factorization.

613688470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61368854.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 613688470 is about 24772.7364253528. The cubic root of 613688470 is about 849.7985543383.

The spelling of 613688470 in words is "six hundred thirteen million, six hundred eighty-eight thousand, four hundred seventy".

Divisors: 1 2 5 10 61368847 122737694 306844235 613688470