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145928688 = 2437873863
BaseRepresentation
bin10001011001010…
…11000111110000
3101011120221112020
420230223013300
5244324204223
622251431440
73421242033
oct1054530760
9334527466
10145928688
1175411424
1240a55580
1324304a49
141554901a
15cc281e3
hex8b2b1f0

145928688 has 40 divisors (see below), whose sum is σ = 377559168. Its totient is φ = 48568512.

The previous prime is 145928659. The next prime is 145928689. The reversal of 145928688 is 886829541.

It is a self number, because there is not a number n which added to its sum of digits gives 145928688.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145928689) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 35845 + ... + 39707.

Almost surely, 2145928688 is an apocalyptic number.

It is an amenable number.

145928688 is an abundant number, since it is smaller than the sum of its proper divisors (231630480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145928688 is a wasteful number, since it uses less digits than its factorization.

145928688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4661 (or 4655 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 51.

The square root of 145928688 is about 12080.0947016155. The cubic root of 145928688 is about 526.4779975455.

The spelling of 145928688 in words is "one hundred forty-five million, nine hundred twenty-eight thousand, six hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 787 1574 2361 3148 3863 4722 6296 7726 9444 11589 12592 15452 18888 23178 30904 37776 46356 61808 92712 185424 3040181 6080362 9120543 12160724 18241086 24321448 36482172 48642896 72964344 145928688