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387129094 = 21121599707
BaseRepresentation
bin10111000100110…
…001111100000110
3222222110012021121
4113010301330012
51243101112334
6102225304154
712410354152
oct2704617406
9888405247
10387129094
11189584900
12a979505a
1362286091
14395b4062
1523ebedb4
hex17131f06

387129094 has 12 divisors (see below), whose sum is σ = 638283492. Its totient is φ = 175967660.

The previous prime is 387129079. The next prime is 387129101. The reversal of 387129094 is 490921783.

It is a self number, because there is not a number n which added to its sum of digits gives 387129094.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 799612 + ... + 800095.

It is an arithmetic number, because the mean of its divisors is an integer number (53190291).

Almost surely, 2387129094 is an apocalyptic number.

387129094 is a deficient number, since it is larger than the sum of its proper divisors (251154398).

387129094 is a wasteful number, since it uses less digits than its factorization.

387129094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599731 (or 1599720 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 387129094 is about 19675.5964077331. The cubic root of 387129094 is about 728.8171837907.

The spelling of 387129094 in words is "three hundred eighty-seven million, one hundred twenty-nine thousand, ninety-four".

Divisors: 1 2 11 22 121 242 1599707 3199414 17596777 35193554 193564547 387129094