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67342856 = 2372171793
BaseRepresentation
bin1000000001110…
…01001000001000
311200201101000212
410000321020020
5114214432411
610403220252
71445255600
oct400711010
9150641025
1067342856
1135016759
121a677688
1310c4b259
148d2dc00
155da368b
hex4039208

67342856 has 24 divisors (see below), whose sum is σ = 146883870. Its totient is φ = 28861056.

The previous prime is 67342823. The next prime is 67342879. The reversal of 67342856 is 65824376.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 45346756 + 21996100 = 6734^2 + 4690^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 85505 + ... + 86288.

Almost surely, 267342856 is an apocalyptic number.

It is an amenable number.

67342856 is an abundant number, since it is smaller than the sum of its proper divisors (79541014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67342856 is a wasteful number, since it uses less digits than its factorization.

67342856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171813 (or 171802 counting only the distinct ones).

The product of its digits is 241920, while the sum is 41.

The square root of 67342856 is about 8206.2693107160. The cubic root of 67342856 is about 406.8464307223.

The spelling of 67342856 in words is "sixty-seven million, three hundred forty-two thousand, eight hundred fifty-six".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 392 171793 343586 687172 1202551 1374344 2405102 4810204 8417857 9620408 16835714 33671428 67342856