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620605248 = 2633232319
BaseRepresentation
bin100100111111011…
…010111101000000
31121020210000100120
4210333122331000
52232333331443
6141325420240
721244025514
oct4477327500
91536700316
10620605248
112993519aa
12153a0a680
139b761653
145c5cc144
153973d083
hex24fdaf40

620605248 has 28 divisors (see below), whose sum is σ = 1642018560. Its totient is φ = 206868352.

The previous prime is 620605229. The next prime is 620605253. The reversal of 620605248 is 842506026.

It is a congruent number.

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, 1615968 + ... + 1616351.

It is an arithmetic number, because the mean of its divisors is an integer number (58643520).

Almost surely, 2620605248 is an apocalyptic number.

It is an amenable number.

620605248 is an abundant number, since it is smaller than the sum of its proper divisors (1021413312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

620605248 is a wasteful number, since it uses less digits than its factorization.

620605248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3232334 (or 3232324 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 620605248 is about 24911.9499036105. The cubic root of 620605248 is about 852.9792791189.

The spelling of 620605248 in words is "six hundred twenty million, six hundred five thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 3232319 6464638 9696957 12929276 19393914 25858552 38787828 51717104 77575656 103434208 155151312 206868416 310302624 620605248