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690672096 = 253771139
BaseRepresentation
bin101001001010101…
…101000111100000
31210010121210000000
4221022231013200
52403303001341
6152311300000
723054421162
oct5112550740
91703553000
10690672096
11324959194
1217337a600
13b012471a
1467a2a932
154097d8b6
hex292ad1e0

690672096 has 192 divisors, whose sum is σ = 2082931200. Its totient is φ = 225348480.

The previous prime is 690672071. The next prime is 690672109. The reversal of 690672096 is 690276096.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4968795 + ... + 4968933.

It is an arithmetic number, because the mean of its divisors is an integer number (10848600).

Almost surely, 2690672096 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 690672096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1041465600).

690672096 is an abundant number, since it is smaller than the sum of its proper divisors (1392259104).

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

690672096 is an equidigital number, since it uses as much as digits as its factorization.

690672096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 690672096 is about 26280.6410880709. The cubic root of 690672096 is about 883.9424080195.

The spelling of 690672096 in words is "six hundred ninety million, six hundred seventy-two thousand, ninety-six".