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620692133 = 19291126483
BaseRepresentation
bin100100111111110…
…000001010100101
31121020221102112112
4210333300022211
52232344122013
6141331330405
721244540025
oct4477601245
91536842475
10620692133
11299401206
12153a50a05
139b792069
145c611a85
1539758ba8
hex24ff02a5

620692133 has 8 divisors (see below), whose sum is σ = 675890400. Its totient is φ = 567746928.

The previous prime is 620692123. The next prime is 620692139. The reversal of 620692133 is 331296026.

620692133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-620692133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 620692133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620692139) 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, 562691 + ... + 563792.

It is an arithmetic number, because the mean of its divisors is an integer number (84486300).

Almost surely, 2620692133 is an apocalyptic number.

It is an amenable number.

620692133 is a deficient number, since it is larger than the sum of its proper divisors (55198267).

620692133 is a wasteful number, since it uses less digits than its factorization.

620692133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126531.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 620692133 is about 24913.6936843977. The cubic root of 620692133 is about 853.0190830827.

The spelling of 620692133 in words is "six hundred twenty million, six hundred ninety-two thousand, one hundred thirty-three".

Divisors: 1 19 29 551 1126483 21403177 32668007 620692133