Search a number
-
+
61001010 = 2325796827
BaseRepresentation
bin1110100010110…
…0110100110010
311020210011122200
43220230310302
5111104013020
610015244030
71340333340
oct350546462
9136704580
1061001010
1131484a64
1218519616
13c83a795
14815c990
15554e590
hex3a2cd32

61001010 has 48 divisors (see below), whose sum is σ = 181262016. Its totient is φ = 13942944.

The previous prime is 61000997. The next prime is 61001033. The reversal of 61001010 is 1010016.

61001010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×610010102 = 7442246442040200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 61000983 and 61001001.

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 23 ways as a sum of consecutive naturals, for example, 47784 + ... + 49043.

It is an arithmetic number, because the mean of its divisors is an integer number (3776292).

Almost surely, 261001010 is an apocalyptic number.

61001010 is an abundant number, since it is smaller than the sum of its proper divisors (120261006).

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

61001010 is a wasteful number, since it uses less digits than its factorization.

61001010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96847 (or 96844 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 61001010 is about 7810.3143342634. The cubic root of 61001010 is about 393.6518909005.

Adding to 61001010 its reverse (1010016), we get a palindrome (62011026).

The spelling of 61001010 in words is "sixty-one million, one thousand, ten".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 63 70 90 105 126 210 315 630 96827 193654 290481 484135 580962 677789 871443 968270 1355578 1452405 1742886 2033367 2904810 3388945 4066734 4357215 6100101 6777890 8714430 10166835 12200202 20333670 30500505 61001010