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146681468 = 2237991091
BaseRepresentation
bin10001011111000…
…10111001111100
3101020000012010222
420233202321330
5300022301333
622315520512
73430525523
oct1057427174
9336005128
10146681468
1175885a5a
1241159138
132450958b
14156a34ba
15cd26298
hex8be2e7c

146681468 has 12 divisors (see below), whose sum is σ = 263630472. Its totient is φ = 71358480.

The previous prime is 146681467. The next prime is 146681473. The reversal of 146681468 is 864186641.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146681461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 495398 + ... + 495693.

It is an arithmetic number, because the mean of its divisors is an integer number (21969206).

Almost surely, 2146681468 is an apocalyptic number.

It is an amenable number.

146681468 is a deficient number, since it is larger than the sum of its proper divisors (116949004).

146681468 is a wasteful number, since it uses less digits than its factorization.

146681468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991132 (or 991130 counting only the distinct ones).

The product of its digits is 221184, while the sum is 44.

The square root of 146681468 is about 12111.2124909111. The cubic root of 146681468 is about 527.3817325061.

The spelling of 146681468 in words is "one hundred forty-six million, six hundred eighty-one thousand, four hundred sixty-eight".

Divisors: 1 2 4 37 74 148 991091 1982182 3964364 36670367 73340734 146681468