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226990680 = 233572331379
BaseRepresentation
bin11011000011110…
…01101001011000
3120211010022200020
431201321221120
5431102200210
634305110440
75424250260
oct1541715130
9524108606
10226990680
11107148504
1264028420
1338047617
142220a7a0
1514ddb770
hexd879a58

226990680 has 256 divisors, whose sum is σ = 840499200. Its totient is φ = 47900160.

The previous prime is 226990651. The next prime is 226990721. The reversal of 226990680 is 86099622.

226990680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 598731 + ... + 599109.

It is an arithmetic number, because the mean of its divisors is an integer number (3283200).

Almost surely, 2226990680 is an apocalyptic number.

226990680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 226990680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (420249600).

226990680 is an abundant number, since it is smaller than the sum of its proper divisors (613508520).

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

226990680 is a wasteful number, since it uses less digits than its factorization.

226990680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454 (or 450 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 226990680 is about 15066.2098750814. The cubic root of 226990680 is about 610.0086713808.

The spelling of 226990680 in words is "two hundred twenty-six million, nine hundred ninety thousand, six hundred eighty".