Search a number
-
+
145800688 = 24113126723
BaseRepresentation
bin10001011000010…
…11110111110000
3101011100102221111
420230023313300
5244311110223
622245003104
73420166615
oct1054136760
9334312844
10145800688
1175334240
12409b3494
132428b6c7
141551450c
15cc0030d
hex8b0bdf0

145800688 has 40 divisors (see below), whose sum is σ = 318122496. Its totient is φ = 64132800.

The previous prime is 145800679. The next prime is 145800709. The reversal of 145800688 is 886008541.

145800688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 145800688.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7906 + ... + 18817.

Almost surely, 2145800688 is an apocalyptic number.

It is an amenable number.

145800688 is an abundant number, since it is smaller than the sum of its proper divisors (172321808).

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

145800688 is a wasteful number, since it uses less digits than its factorization.

145800688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26773 (or 26767 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 40.

The square root of 145800688 is about 12074.7955676276. The cubic root of 145800688 is about 526.3240207471.

The spelling of 145800688 in words is "one hundred forty-five million, eight hundred thousand, six hundred eighty-eight".

Divisors: 1 2 4 8 11 16 22 31 44 62 88 124 176 248 341 496 682 1364 2728 5456 26723 53446 106892 213784 293953 427568 587906 828413 1175812 1656826 2351624 3313652 4703248 6627304 9112543 13254608 18225086 36450172 72900344 145800688