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137484434 = 268742217
BaseRepresentation
bin10000011000111…
…01100010010010
3100120200221012002
420030131202102
5240144000214
621350434002
73256412153
oct1014354222
9316627162
10137484434
11706740aa
123a062902
1322639349
141438b92a
15c10b1de
hex831d892

137484434 has 4 divisors (see below), whose sum is σ = 206226654. Its totient is φ = 68742216.

The previous prime is 137484421. The next prime is 137484449. The reversal of 137484434 is 434484731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 434484731 = 1792427289.

It can be written as a sum of positive squares in only one way, i.e., 135373225 + 2111209 = 11635^2 + 1453^2 .

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 as a sum of consecutive naturals, namely, 34371107 + ... + 34371110.

Almost surely, 2137484434 is an apocalyptic number.

137484434 is a deficient number, since it is larger than the sum of its proper divisors (68742220).

137484434 is an equidigital number, since it uses as much as digits as its factorization.

137484434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68742219.

The product of its digits is 129024, while the sum is 38.

The square root of 137484434 is about 11725.3756443024. The cubic root of 137484434 is about 516.1205800571.

The spelling of 137484434 in words is "one hundred thirty-seven million, four hundred eighty-four thousand, four hundred thirty-four".

Divisors: 1 2 68742217 137484434