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145628052 = 22317713863
BaseRepresentation
bin10001010111000…
…01101110010100
3101011000200010120
420223201232110
5244240044202
622241151540
73415550403
oct1053415624
9334020116
10145628052
1175226569
124092b5b0
132422ac5b
14154ab63a
15cbb90bc
hex8ae1b94

145628052 has 24 divisors (see below), whose sum is σ = 359787456. Its totient is φ = 45687168.

The previous prime is 145628039. The next prime is 145628071. The reversal of 145628052 is 250826541.

It is a congruent number.

It is an unprimeable number.

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, 356728 + ... + 357135.

It is an arithmetic number, because the mean of its divisors is an integer number (14991144).

Almost surely, 2145628052 is an apocalyptic number.

145628052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145628052 is an abundant number, since it is smaller than the sum of its proper divisors (214159404).

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

145628052 is a wasteful number, since it uses less digits than its factorization.

145628052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713887 (or 713885 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 145628052 is about 12067.6448406472. The cubic root of 145628052 is about 526.1162065487.

The spelling of 145628052 in words is "one hundred forty-five million, six hundred twenty-eight thousand, fifty-two".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 713863 1427726 2141589 2855452 4283178 8566356 12135671 24271342 36407013 48542684 72814026 145628052