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67714820 = 2253385741
BaseRepresentation
bin1000000100100…
…11111100000100
311201102021021022
410002103330010
5114313333240
610415210312
71451365205
oct402237404
9151367238
1067714820
1135250168
121a816998
131104b654
148dc95ac
155e289b5
hex4093f04

67714820 has 12 divisors (see below), whose sum is σ = 142201164. Its totient is φ = 27085920.

The previous prime is 67714811. The next prime is 67714837. The reversal of 67714820 is 2841776.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 38142976 + 29571844 = 6176^2 + 5438^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1692851 + ... + 1692890.

It is an arithmetic number, because the mean of its divisors is an integer number (11850097).

Almost surely, 267714820 is an apocalyptic number.

It is an amenable number.

67714820 is an abundant number, since it is smaller than the sum of its proper divisors (74486344).

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

67714820 is a wasteful number, since it uses less digits than its factorization.

67714820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3385750 (or 3385748 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 67714820 is about 8228.9015062765. The cubic root of 67714820 is about 407.5941193014.

The spelling of 67714820 in words is "sixty-seven million, seven hundred fourteen thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 3385741 6771482 13542964 16928705 33857410 67714820