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690229419 = 31120916043
BaseRepresentation
bin101001001001000…
…001000010101011
31210002210021202120
4221021001002223
52403144320134
6152254002323
723050565445
oct5111010253
91702707676
10690229419
11324686640
121731a63a3
13acccb099
1467953495
15408e2649
hex292410ab

690229419 has 8 divisors (see below), whose sum is σ = 1003970112. Its totient is φ = 418320840.

The previous prime is 690229417. The next prime is 690229439. The reversal of 690229419 is 914922096.

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

It is not a de Polignac number, because 690229419 - 21 = 690229417 is a prime.

It is a super-2 number, since 2×6902294192 = 952833301706155122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (690229417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10457989 + ... + 10458054.

It is an arithmetic number, because the mean of its divisors is an integer number (125496264).

Almost surely, 2690229419 is an apocalyptic number.

690229419 is a deficient number, since it is larger than the sum of its proper divisors (313740693).

690229419 is a wasteful number, since it uses less digits than its factorization.

690229419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20916057.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 690229419 is about 26272.2176262302. The cubic root of 690229419 is about 883.7535173216.

The spelling of 690229419 in words is "six hundred ninety million, two hundred twenty-nine thousand, four hundred nineteen".

Divisors: 1 3 11 33 20916043 62748129 230076473 690229419