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45062031 = 375340487
BaseRepresentation
bin1010101111100…
…1011110001111
310010210101111010
42223321132033
543013441111
64245500303
71055010120
oct253713617
9103711433
1045062031
1123488853
1213111693
139449931
145db0047
153e51aa6
hex2af978f

45062031 has 16 divisors (see below), whose sum is σ = 69963264. Its totient is φ = 25263264.

The previous prime is 45062023. The next prime is 45062047. The reversal of 45062031 is 13026054.

It is a happy number.

It is not a de Polignac number, because 45062031 - 23 = 45062023 is a prime.

It is a super-2 number, since 2×450620312 = 4061173275689922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 45061989 and 45062007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45062051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19131 + ... + 21356.

It is an arithmetic number, because the mean of its divisors is an integer number (4372704).

Almost surely, 245062031 is an apocalyptic number.

45062031 is a deficient number, since it is larger than the sum of its proper divisors (24901233).

45062031 is a wasteful number, since it uses less digits than its factorization.

45062031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40550.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 45062031 is about 6712.8258580124. The cubic root of 45062031 is about 355.8526907050.

Adding to 45062031 its reverse (13026054), we get a palindrome (58088085).

It can be divided in two parts, 450 and 62031, that added together give a triangular number (62481 = T353).

The spelling of 45062031 in words is "forty-five million, sixty-two thousand, thirty-one".

Divisors: 1 3 7 21 53 159 371 1113 40487 121461 283409 850227 2145811 6437433 15020677 45062031