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161342007 = 3212925261
BaseRepresentation
bin10011001110111…
…10001000110111
3102020121000121220
421213132020313
5312300421012
624002041423
73666245601
oct1147361067
9366530556
10161342007
1183089702
1246049273
1327570558
14175dc171
15e27008c
hex99de237

161342007 has 8 divisors (see below), whose sum is σ = 215232240. Its totient is φ = 107506560.

The previous prime is 161341997. The next prime is 161342021. The reversal of 161342007 is 700243161.

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

It is not a de Polignac number, because 161342007 - 27 = 161341879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161342107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6244 + ... + 19017.

It is an arithmetic number, because the mean of its divisors is an integer number (26904030).

Almost surely, 2161342007 is an apocalyptic number.

161342007 is a deficient number, since it is larger than the sum of its proper divisors (53890233).

161342007 is a wasteful number, since it uses less digits than its factorization.

161342007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27393.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 161342007 is about 12702.0473546590. The cubic root of 161342007 is about 544.3971191576.

Adding to 161342007 its reverse (700243161), we get a palindrome (861585168).

The spelling of 161342007 in words is "one hundred sixty-one million, three hundred forty-two thousand, seven".

Divisors: 1 3 2129 6387 25261 75783 53780669 161342007