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31466061 = 3211317839
BaseRepresentation
bin111100000001…
…0001001001101
32012012122022200
41320002021031
531023403221
63042232113
7531312534
oct170021115
965178280
1031466061
1116841a10
12a655639
136699393
14427131b
152b68426
hex1e0224d

31466061 has 12 divisors (see below), whose sum is σ = 49583040. Its totient is φ = 19070280.

The previous prime is 31466053. The next prime is 31466063. The reversal of 31466061 is 16066413.

It is not a de Polignac number, because 31466061 - 23 = 31466053 is a prime.

It is a super-2 number, since 2×314660612 = 1980225989711442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31466063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158821 + ... + 159018.

It is an arithmetic number, because the mean of its divisors is an integer number (4131920).

Almost surely, 231466061 is an apocalyptic number.

It is an amenable number.

31466061 is a deficient number, since it is larger than the sum of its proper divisors (18116979).

31466061 is a wasteful number, since it uses less digits than its factorization.

31466061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317856 (or 317853 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 31466061 is about 5609.4617388837. The cubic root of 31466061 is about 315.7045153514.

It can be divided in two parts, 314660 and 61, that added together give a square (314721 = 5612).

The spelling of 31466061 in words is "thirty-one million, four hundred sixty-six thousand, sixty-one".

Divisors: 1 3 9 11 33 99 317839 953517 2860551 3496229 10488687 31466061