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145708650 = 23252323797
BaseRepresentation
bin10001010111101…
…01011001101010
3101011011202200200
420223311121222
5244300134100
622243013030
73416334363
oct1053653152
9334152620
10145708650
117528107a
124096a176
1324258849
14154ccb6a
15cbd2e00
hex8af566a

145708650 has 36 divisors (see below), whose sum is σ = 391471782. Its totient is φ = 38855520.

The previous prime is 145708621. The next prime is 145708691. The reversal of 145708650 is 56807541.

145708650 is a `hidden beast` number, since 1 + 4 + 570 + 86 + 5 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 142348761 + 3359889 = 11931^2 + 1833^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 161449 + ... + 162348.

Almost surely, 2145708650 is an apocalyptic number.

145708650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145708650 is an abundant number, since it is smaller than the sum of its proper divisors (245763132).

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

145708650 is a wasteful number, since it uses less digits than its factorization.

145708650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323815 (or 323807 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 145708650 is about 12070.9838041479. The cubic root of 145708650 is about 526.2132485059.

It can be divided in two parts, 14570 and 8650, that added together give a triangular number (23220 = T215).

The spelling of 145708650 in words is "one hundred forty-five million, seven hundred eight thousand, six hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 45 50 75 90 150 225 450 323797 647594 971391 1618985 1942782 2914173 3237970 4856955 5828346 8094925 9713910 14570865 16189850 24284775 29141730 48569550 72854325 145708650