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145793824 = 25112391733
BaseRepresentation
bin10001011000010…
…10001100100000
3101011100002112021
420230022030200
5244310400244
622244511224
73420140611
oct1054121440
9334302467
10145793824
117532a070
12409ab514
1324288547
1415511c08
15cbed284
hex8b0a320

145793824 has 48 divisors (see below), whose sum is σ = 314616960. Its totient is φ = 65954560.

The previous prime is 145793773. The next prime is 145793833. The reversal of 145793824 is 428397541.

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, 83262 + ... + 84994.

It is an arithmetic number, because the mean of its divisors is an integer number (6554520).

Almost surely, 2145793824 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145793824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157308480).

145793824 is an abundant number, since it is smaller than the sum of its proper divisors (168823136).

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

145793824 is a wasteful number, since it uses less digits than its factorization.

145793824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1993 (or 1985 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The square root of 145793824 is about 12074.5113358678. The cubic root of 145793824 is about 526.3157611958.

The spelling of 145793824 in words is "one hundred forty-five million, seven hundred ninety-three thousand, eight hundred twenty-four".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 239 352 478 956 1733 1912 2629 3466 3824 5258 6932 7648 10516 13864 19063 21032 27728 38126 42064 55456 76252 84128 152504 305008 414187 610016 828374 1656748 3313496 4556057 6626992 9112114 13253984 18224228 36448456 72896912 145793824