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137298378 = 2373269009
BaseRepresentation
bin10000010111100…
…00000111001010
3100120100110222010
420023300013022
5240122022003
621342440350
73255005550
oct1013600712
9316313863
10137298378
1170557338
1239b930b6
13225a2759
141433dbd0
15c0c1003
hex82f01ca

137298378 has 16 divisors (see below), whose sum is σ = 313824960. Its totient is φ = 39228096.

The previous prime is 137298367. The next prime is 137298391. The reversal of 137298378 is 873892731.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1634463 + ... + 1634546.

It is an arithmetic number, because the mean of its divisors is an integer number (19614060).

Almost surely, 2137298378 is an apocalyptic number.

137298378 is an abundant number, since it is smaller than the sum of its proper divisors (176526582).

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

137298378 is a wasteful number, since it uses less digits than its factorization.

137298378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3269021.

The product of its digits is 508032, while the sum is 48.

The square root of 137298378 is about 11717.4390546740. The cubic root of 137298378 is about 515.8876550682.

The spelling of 137298378 in words is "one hundred thirty-seven million, two hundred ninety-eight thousand, three hundred seventy-eight".

Divisors: 1 2 3 6 7 14 21 42 3269009 6538018 9807027 19614054 22883063 45766126 68649189 137298378