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18146037 = 371325113
BaseRepresentation
bin100010100111…
…0001011110101
31021010220200110
41011032023311
514121133122
61444533233
7310144620
oct105161365
937126613
1018146037
11a274428
1260b1219
1339b4600
1425a4db7
1518d690c
hex114e2f5

18146037 has 24 divisors (see below), whose sum is σ = 29947584. Its totient is φ = 9569664.

The previous prime is 18146027. The next prime is 18146059. The reversal of 18146037 is 73064181.

It is a happy number.

It is not a de Polignac number, because 18146037 - 26 = 18145973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18145995 and 18146013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18146017) by changing a digit.

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, 993 + ... + 6105.

It is an arithmetic number, because the mean of its divisors is an integer number (1247816).

Almost surely, 218146037 is an apocalyptic number.

It is an amenable number.

18146037 is a deficient number, since it is larger than the sum of its proper divisors (11801547).

18146037 is a wasteful number, since it uses less digits than its factorization.

18146037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5149 (or 5136 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 18146037 is about 4259.8165453456. The cubic root of 18146037 is about 262.7809816678.

The spelling of 18146037 in words is "eighteen million, one hundred forty-six thousand, thirty-seven".

Divisors: 1 3 7 13 21 39 91 169 273 507 1183 3549 5113 15339 35791 66469 107373 199407 465283 864097 1395849 2592291 6048679 18146037