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387470134 = 2193735067
BaseRepresentation
bin10111000110000…
…101001100110110
31000000002112002201
4113012011030312
51243143021014
6102240455114
712413304352
oct2706051466
91000075081
10387470134
11189798057
12a991a49a
136237538c
1439662462
152403ae74
hex17185336

387470134 has 4 divisors (see below), whose sum is σ = 581205204. Its totient is φ = 193735066.

The previous prime is 387470123. The next prime is 387470141. The reversal of 387470134 is 431074783.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 431074783 = 3217133999.

It is a junction number, because it is equal to n+sod(n) for n = 387470093 and 387470102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96867532 + ... + 96867535.

It is an arithmetic number, because the mean of its divisors is an integer number (145301301).

Almost surely, 2387470134 is an apocalyptic number.

387470134 is a deficient number, since it is larger than the sum of its proper divisors (193735070).

387470134 is a wasteful number, since it uses less digits than its factorization.

387470134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193735069.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 387470134 is about 19684.2610732534. The cubic root of 387470134 is about 729.0311372787.

The spelling of 387470134 in words is "three hundred eighty-seven million, four hundred seventy thousand, one hundred thirty-four".

Divisors: 1 2 193735067 387470134