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146739693 = 34310710631
BaseRepresentation
bin10001011111100…
…01000111101101
3101020010011000110
420233301013231
5300031132233
622321050233
73431160342
oct1057610755
9336104013
10146739693
1175915781
1241186979
1324529c29
14156ba7c9
15cd38663
hex8bf11ed

146739693 has 16 divisors (see below), whose sum is σ = 202093056. Its totient is φ = 94649520.

The previous prime is 146739661. The next prime is 146739713. The reversal of 146739693 is 396937641.

It is not a de Polignac number, because 146739693 - 25 = 146739661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146739613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8488 + ... + 19118.

It is an arithmetic number, because the mean of its divisors is an integer number (12630816).

Almost surely, 2146739693 is an apocalyptic number.

It is an amenable number.

146739693 is a deficient number, since it is larger than the sum of its proper divisors (55353363).

146739693 is a wasteful number, since it uses less digits than its factorization.

146739693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10784.

The product of its digits is 734832, while the sum is 48.

The square root of 146739693 is about 12113.6160166979. The cubic root of 146739693 is about 527.4515044177.

The spelling of 146739693 in words is "one hundred forty-six million, seven hundred thirty-nine thousand, six hundred ninety-three".

Divisors: 1 3 43 107 129 321 4601 10631 13803 31893 457133 1137517 1371399 3412551 48913231 146739693