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3420650250 = 236531372
BaseRepresentation
bin1100101111100010…
…1111101100001010
322211101120001000000
43023320233230022
524001141302000
61323232223430
7150524022153
oct31370575412
98741501000
103420650250
1114a5960186
127b569ab76
134268a6204
1424642492a
15150486000
hexcbe2fb0a

3420650250 has 168 divisors, whose sum is σ = 9671384268. Its totient is φ = 905515200.

The previous prime is 3420650239. The next prime is 3420650269. The reversal of 3420650250 is 520560243.

3420650250 is a `hidden beast` number, since 3 + 4 + 2 + 0 + 650 + 2 + 5 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 239351841 + 3181298409 = 15471^2 + 56403^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 24968182 + ... + 24968318.

Almost surely, 23420650250 is an apocalyptic number.

3420650250 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3420650250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4835692134).

3420650250 is an abundant number, since it is smaller than the sum of its proper divisors (6250734018).

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

3420650250 is an frugal number, since it uses more digits than its factorization.

3420650250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 3420650250 is about 58486.3253248142. The cubic root of 3420650250 is about 1506.7327349727.

The spelling of 3420650250 in words is "three billion, four hundred twenty million, six hundred fifty thousand, two hundred fifty".