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620950972 = 22271572833
BaseRepresentation
bin100101000000101…
…111010110111100
31121021102120121011
4211000233112330
52232430412342
6141341045004
721246665455
oct4500572674
91537376534
10620950972
11299568724
12153b56764
139b852b15
145c67c12c
15397aa717
hex2502f5bc

620950972 has 12 divisors (see below), whose sum is σ = 1090675936. Its totient is φ = 309329280.

The previous prime is 620950961. The next prime is 620950973. The reversal of 620950972 is 279059026.

It is a happy number.

620950972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620950973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285333 + ... + 287500.

Almost surely, 2620950972 is an apocalyptic number.

It is an amenable number.

620950972 is a deficient number, since it is larger than the sum of its proper divisors (469724964).

620950972 is a wasteful number, since it uses less digits than its factorization.

620950972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573108 (or 573106 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 620950972 is about 24918.8878564032. The cubic root of 620950972 is about 853.1376410119.

The spelling of 620950972 in words is "six hundred twenty million, nine hundred fifty thousand, nine hundred seventy-two".

Divisors: 1 2 4 271 542 1084 572833 1145666 2291332 155237743 310475486 620950972