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145798058 = 27192323831
BaseRepresentation
bin10001011000010…
…11001110101010
3101011100022100002
420230023032222
5244311014213
622244543002
73420156140
oct1054131652
9334308302
10145798058
117533226a
12409b1a62
132428a453
1415513590
15cbee658
hex8b0b3aa

145798058 has 32 divisors (see below), whose sum is σ = 274544640. Its totient is φ = 56620080.

The previous prime is 145798033. The next prime is 145798061. The reversal of 145798058 is 850897541.

It is a super-3 number, since 3×1457980583 (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5798 + ... + 18033.

It is an arithmetic number, because the mean of its divisors is an integer number (8579520).

Almost surely, 2145798058 is an apocalyptic number.

145798058 is a deficient number, since it is larger than the sum of its proper divisors (128746582).

145798058 is a wasteful number, since it uses less digits than its factorization.

145798058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23882.

The product of its (nonzero) digits is 403200, while the sum is 47.

The square root of 145798058 is about 12074.6866626012. The cubic root of 145798058 is about 526.3208560603.

The spelling of 145798058 in words is "one hundred forty-five million, seven hundred ninety-eight thousand, fifty-eight".

Divisors: 1 2 7 14 19 23 38 46 133 161 266 322 437 874 3059 6118 23831 47662 166817 333634 452789 548113 905578 1096226 3169523 3836791 6339046 7673582 10414147 20828294 72899029 145798058