Search a number
-
+
1010895140 = 225172973221
BaseRepresentation
bin111100010000010…
…000100100100100
32121110011210102202
4330100100210210
54032242121030
6244150554032
734023316103
oct7420204444
92543153382
101010895140
11479695532
12242668918
13131583308
149838603a
155db34745
hex3c410924

1010895140 has 24 divisors (see below), whose sum is σ = 2247755832. Its totient is φ = 380572160.

The previous prime is 1010895107. The next prime is 1010895169. The reversal of 1010895140 is 415980101.

It can be written as a sum of positive squares in 4 ways, for example, as 76492516 + 934402624 = 8746^2 + 30568^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1486271 + ... + 1486950.

It is an arithmetic number, because the mean of its divisors is an integer number (93656493).

Almost surely, 21010895140 is an apocalyptic number.

1010895140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010895140 is an abundant number, since it is smaller than the sum of its proper divisors (1236860692).

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

1010895140 is a wasteful number, since it uses less digits than its factorization.

1010895140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2973247 (or 2973245 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 1010895140 is about 31794.5772105873. The cubic root of 1010895140 is about 1003.6186032495.

The spelling of 1010895140 in words is "one billion, ten million, eight hundred ninety-five thousand, one hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 2973221 5946442 11892884 14866105 29732210 50544757 59464420 101089514 202179028 252723785 505447570 1010895140