Search a number
-
+
620952434 = 21492083733
BaseRepresentation
bin100101000000101…
…111101101110010
31121021102122121022
4211000233231302
52232430434214
6141341055442
721250002644
oct4500575562
91537378538
10620952434
11299569833
12153b57582
139b85369b
145c67c894
15397aad8e
hex2502fb72

620952434 has 8 divisors (see below), whose sum is σ = 937680300. Its totient is φ = 308392336.

The previous prime is 620952419. The next prime is 620952461. The reversal of 620952434 is 434259026.

620952434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 478078225 + 142874209 = 21865^2 + 11953^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 620952394 and 620952403.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1041569 + ... + 1042164.

Almost surely, 2620952434 is an apocalyptic number.

620952434 is a deficient number, since it is larger than the sum of its proper divisors (316727866).

620952434 is a wasteful number, since it uses less digits than its factorization.

620952434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083884.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 620952434 is about 24918.9171915635. The cubic root of 620952434 is about 853.1383105689.

The spelling of 620952434 in words is "six hundred twenty million, nine hundred fifty-two thousand, four hundred thirty-four".

Divisors: 1 2 149 298 2083733 4167466 310476217 620952434