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45452031 = 328153917
BaseRepresentation
bin1010110101100…
…0101011111111
310011112012110120
42231120223333
543113431111
64302110023
71061223132
oct255305377
9104465416
1045452031
1123724869
121327b313
1395552c1
146072219
153ecc406
hex2b58aff

45452031 has 8 divisors (see below), whose sum is σ = 60819504. Its totient is φ = 30192960.

The previous prime is 45452023. The next prime is 45452041. The reversal of 45452031 is 13025454.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45452031 - 23 = 45452023 is a prime.

It is a super-2 number, since 2×454520312 = 4131774244049922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45451992 and 45452010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45452041) 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 7 ways as a sum of consecutive naturals, for example, 26116 + ... + 27801.

It is an arithmetic number, because the mean of its divisors is an integer number (7602438).

Almost surely, 245452031 is an apocalyptic number.

45452031 is a deficient number, since it is larger than the sum of its proper divisors (15367473).

45452031 is a wasteful number, since it uses less digits than its factorization.

45452031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54201.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 45452031 is about 6741.8121451135. The cubic root of 45452031 is about 356.8763469472.

Adding to 45452031 its reverse (13025454), we get a palindrome (58477485).

The spelling of 45452031 in words is "forty-five million, four hundred fifty-two thousand, thirty-one".

Divisors: 1 3 281 843 53917 161751 15150677 45452031