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172046007 = 32721920533
BaseRepresentation
bin10100100000100…
…11011010110111
3102222201211202100
422100103122313
5323020433012
625023313143
74156236600
oct1220233267
9388654670
10172046007
118912a791
124974b7b3
132984a693
1418bc6da7
15101868dc
hexa4136b7

172046007 has 36 divisors (see below), whose sum is σ = 304313880. Its totient is φ = 93133152.

The previous prime is 172045997. The next prime is 172046023. The reversal of 172046007 is 700640271.

172046007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 172046007 - 26 = 172045943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172046027) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1888 + ... + 18645.

Almost surely, 2172046007 is an apocalyptic number.

172046007 is a deficient number, since it is larger than the sum of its proper divisors (132267873).

172046007 is a wasteful number, since it uses less digits than its factorization.

172046007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20572 (or 20562 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 172046007 is about 13116.6309317599. The cubic root of 172046007 is about 556.1793572368.

Adding to 172046007 its reverse (700640271), we get a palindrome (872686278).

The spelling of 172046007 in words is "one hundred seventy-two million, forty-six thousand, seven".

Divisors: 1 3 7 9 19 21 49 57 63 133 147 171 399 441 931 1197 2793 8379 20533 61599 143731 184797 390127 431193 1006117 1170381 1293579 2730889 3018351 3511143 8192667 9055053 19116223 24578001 57348669 172046007