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497403380 = 22549872
BaseRepresentation
bin11101101001011…
…100010111110100
31021122221201011102
4131221130113310
52004313402010
6121205025232
715216600425
oct3551342764
91248851142
10497403380
11235853581
1211a6b5218
137c086236
144a0bb64c
152da03ba5
hex1da5c5f4

497403380 has 18 divisors (see below), whose sum is σ = 1044756594. Its totient is φ = 198921456.

The previous prime is 497403367. The next prime is 497403383. The reversal of 497403380 is 83304794.

It can be written as a sum of positive squares in only one way, i.e., 397922704 + 99480676 = 19948^2 + 9974^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497403383) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 97247 + ... + 102233.

It is an arithmetic number, because the mean of its divisors is an integer number (58042033).

Almost surely, 2497403380 is an apocalyptic number.

It is an amenable number.

497403380 is an abundant number, since it is smaller than the sum of its proper divisors (547353214).

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

497403380 is an frugal number, since it uses more digits than its factorization.

497403380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9983 (or 4994 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 497403380 is about 22302.5420075829. The cubic root of 497403380 is about 792.3241815585.

The spelling of 497403380 in words is "four hundred ninety-seven million, four hundred three thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 4987 9974 19948 24935 49870 99740 24870169 49740338 99480676 124350845 248701690 497403380