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31014612 = 22321945343
BaseRepresentation
bin111011001001…
…1111011010100
32011100201001100
41312103323110
530414431422
63024430100
7524422416
oct166237324
964321040
1031014612
1116563812
12a478330
13656ba55
1441949b6
152ac97ac
hex1d93ed4

31014612 has 36 divisors (see below), whose sum is σ = 82526080. Its totient is φ = 9793872.

The previous prime is 31014611. The next prime is 31014619. The reversal of 31014612 is 21641013.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31014611) 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, 21988 + ... + 23355.

Almost surely, 231014612 is an apocalyptic number.

It is an amenable number.

31014612 is an abundant number, since it is smaller than the sum of its proper divisors (51511468).

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

31014612 is a wasteful number, since it uses less digits than its factorization.

31014612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45372 (or 45367 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 31014612 is about 5569.0764045755. The cubic root of 31014612 is about 314.1874143187.

Adding to 31014612 its reverse (21641013), we get a palindrome (52655625).

It can be divided in two parts, 31014 and 612, that added together give a triangular number (31626 = T251).

The spelling of 31014612 in words is "thirty-one million, fourteen thousand, six hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 19 36 38 57 76 114 171 228 342 684 45343 90686 136029 181372 272058 408087 544116 816174 861517 1632348 1723034 2584551 3446068 5169102 7753653 10338204 15507306 31014612