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31460212 = 2273730367
BaseRepresentation
bin111100000000…
…0101101110100
32012012100022001
41320000231310
531023211322
63042145044
7531256510
oct170005564
965170261
1031460212
1116838583
12a652184
136696814
14426d140
152b66827
hex1e00b74

31460212 has 24 divisors (see below), whose sum is σ = 64623104. Its totient is φ = 13118112.

The previous prime is 31460197. The next prime is 31460263. The reversal of 31460212 is 21206413.

It is a self number, because there is not a number n which added to its sum of digits gives 31460212.

It is a congruent number.

It is an unprimeable number.

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, 14148 + ... + 16219.

Almost surely, 231460212 is an apocalyptic number.

It is an amenable number.

31460212 is an abundant number, since it is smaller than the sum of its proper divisors (33162892).

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

31460212 is a wasteful number, since it uses less digits than its factorization.

31460212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30415 (or 30413 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 31460212 is about 5608.9403633842. The cubic root of 31460212 is about 315.6849527913.

Adding to 31460212 its reverse (21206413), we get a palindrome (52666625).

The spelling of 31460212 in words is "thirty-one million, four hundred sixty thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 37 74 148 259 518 1036 30367 60734 121468 212569 425138 850276 1123579 2247158 4494316 7865053 15730106 31460212