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1016146240 = 2655575701
BaseRepresentation
bin111100100100010…
…010100101000000
32121211001120120221
4330210102211000
54040113134430
6244455312424
734116046324
oct7444224500
92554046527
101016146240
1148165178a
1224437b714
131326a1485
1498d51984
155e32057a
hex3c912940

1016146240 has 56 divisors (see below), whose sum is σ = 2424467592. Its totient is φ = 405657600.

The previous prime is 1016146237. The next prime is 1016146247. The reversal of 1016146240 is 426416101.

It can be written as a sum of positive squares in 4 ways, for example, as 73410624 + 942735616 = 8568^2 + 30704^2 .

It is a super-2 number, since 2×10161462402 = 2065106362132275200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1016146247) 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, 175390 + ... + 181090.

Almost surely, 21016146240 is an apocalyptic number.

1016146240 is a gapful number since it is divisible by the number (10) 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 1016146240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1212233796).

1016146240 is an abundant number, since it is smaller than the sum of its proper divisors (1408321352).

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

1016146240 is an equidigital number, since it uses as much as digits as its factorization.

1016146240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6275 (or 6265 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1016146240 is about 31877.0487969009. The cubic root of 1016146240 is about 1005.3533702866.

The spelling of 1016146240 in words is "one billion, sixteen million, one hundred forty-six thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 557 1114 2228 2785 4456 5570 5701 8912 11140 11402 17824 22280 22804 28505 35648 44560 45608 57010 89120 91216 114020 178240 182432 228040 364864 456080 912160 1824320 3175457 6350914 12701828 15877285 25403656 31754570 50807312 63509140 101614624 127018280 203229248 254036560 508073120 1016146240