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690913152 = 273597229
BaseRepresentation
bin101001001011100…
…111111110000000
31210011002000200000
4221023213332000
52403333210102
6152320400000
723056444026
oct5113477600
91704060600
10690913152
11325003306
12173476000
13b01aa367
1467a90716
15409ca01c
hex292e7f80

690913152 has 192 divisors, whose sum is σ = 2092162800. Its totient is φ = 226934784.

The previous prime is 690913129. The next prime is 690913159. The reversal of 690913152 is 251319096.

690913152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690913159) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3016974 + ... + 3017202.

Almost surely, 2690913152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 690913152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1046081400).

690913152 is an abundant number, since it is smaller than the sum of its proper divisors (1401249648).

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

690913152 is an equidigital number, since it uses as much as digits as its factorization.

690913152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355 (or 331 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 690913152 is about 26285.2268774686. The cubic root of 690913152 is about 884.0452329045.

The spelling of 690913152 in words is "six hundred ninety million, nine hundred thirteen thousand, one hundred fifty-two".