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620358742 = 213719311731
BaseRepresentation
bin100100111110011…
…110110001010110
31121020022111012201
4210332132301112
52232302434432
6141320235114
721241651033
oct4476366126
91536274181
10620358742
112991a3783
1215390ba9a
139b6a63a3
145c56638a
15396deee7
hex24f9ec56

620358742 has 16 divisors (see below), whose sum is σ = 942267312. Its totient is φ = 306293760.

The previous prime is 620358733. The next prime is 620358833. The reversal of 620358742 is 247853026.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47017 + ... + 58747.

It is an arithmetic number, because the mean of its divisors is an integer number (58891707).

Almost surely, 2620358742 is an apocalyptic number.

620358742 is a deficient number, since it is larger than the sum of its proper divisors (321908570).

620358742 is a wasteful number, since it uses less digits than its factorization.

620358742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12063.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 620358742 is about 24907.0018669450. The cubic root of 620358742 is about 852.8663289754.

The spelling of 620358742 in words is "six hundred twenty million, three hundred fifty-eight thousand, seven hundred forty-two".

Divisors: 1 2 137 193 274 386 11731 23462 26441 52882 1607147 2264083 3214294 4528166 310179371 620358742