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151045531 = 7132372167
BaseRepresentation
bin10010000000011…
…00010110011011
3101112012220111221
421000030112123
5302131424111
622553232511
73512602660
oct1100142633
9345186457
10151045531
117829681a
1242702737
13253a6a70
14160bba67
15d3d9371
hex900c59b

151045531 has 16 divisors (see below), whose sum is σ = 193987584. Its totient is φ = 114310944.

The previous prime is 151045529. The next prime is 151045571. The reversal of 151045531 is 135540151.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 151045531 - 21 = 151045529 is a prime.

It is a super-2 number, since 2×1510455312 = 45629504870143922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 151045496 and 151045505.

It is not an unprimeable number, because it can be changed into a prime (151045501) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 33991 + ... + 38176.

It is an arithmetic number, because the mean of its divisors is an integer number (12124224).

Almost surely, 2151045531 is an apocalyptic number.

151045531 is a deficient number, since it is larger than the sum of its proper divisors (42942053).

151045531 is a wasteful number, since it uses less digits than its factorization.

151045531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72210.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 151045531 is about 12290.0582179256. The cubic root of 151045531 is about 532.5609190666.

Adding to 151045531 its reverse (135540151), we get a palindrome (286585682).

The spelling of 151045531 in words is "one hundred fifty-one million, forty-five thousand, five hundred thirty-one".

Divisors: 1 7 13 23 91 161 299 2093 72167 505169 938171 1659841 6567197 11618887 21577933 151045531