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445026142 = 211231137433
BaseRepresentation
bin11010100001101…
…000111101011110
31011000101200002201
4122201220331132
51402411314032
6112054242114
714012442211
oct3241507536
91130350081
10445026142
11209229800
1210505633a
1371277aa2
1443165778
15291098e7
hex1a868f5e

445026142 has 48 divisors (see below), whose sum is σ = 764701056. Its totient is φ = 193881600.

The previous prime is 445026137. The next prime is 445026167. The reversal of 445026142 is 241620544.

It is a self number, because there is not a number n which added to its sum of digits gives 445026142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1027558 + ... + 1027990.

It is an arithmetic number, because the mean of its divisors is an integer number (15931272).

Almost surely, 2445026142 is an apocalyptic number.

445026142 is a deficient number, since it is larger than the sum of its proper divisors (319674914).

445026142 is a wasteful number, since it uses less digits than its factorization.

445026142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625 (or 614 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 445026142 is about 21095.6427254540. The cubic root of 445026142 is about 763.4756219605.

Adding to 445026142 its reverse (241620544), we get a palindrome (686646686).

The spelling of 445026142 in words is "four hundred forty-five million, twenty-six thousand, one hundred forty-two".

Divisors: 1 2 11 22 31 62 121 137 242 274 341 433 682 866 1507 3014 3751 4247 4763 7502 8494 9526 13423 16577 26846 33154 46717 52393 59321 93434 104786 118642 147653 295306 513887 652531 1027774 1305062 1624183 1838951 3248366 3677902 7177841 14355682 20228461 40456922 222513071 445026142