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145471030 = 25196131249
BaseRepresentation
bin10001010101110…
…11011000110110
3101010201200201221
420222323120312
5244220033110
622233540554
73414324535
oct1052733066
9333650657
10145471030
11751295a1
124087475a
13241a4643
141546a31c
15cb877da
hex8abb636

145471030 has 32 divisors (see below), whose sum is σ = 276300000. Its totient is φ = 54991872.

The previous prime is 145470979. The next prime is 145471033. The reversal of 145471030 is 30174541.

It is a junction number, because it is equal to n+sod(n) for n = 145470986 and 145471004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145471033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115846 + ... + 117094.

It is an arithmetic number, because the mean of its divisors is an integer number (8634375).

Almost surely, 2145471030 is an apocalyptic number.

145471030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145471030 is a deficient number, since it is larger than the sum of its proper divisors (130828970).

145471030 is a wasteful number, since it uses less digits than its factorization.

145471030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1888.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 145471030 is about 12061.1371769000. The cubic root of 145471030 is about 525.9270453547.

The spelling of 145471030 in words is "one hundred forty-five million, four hundred seventy-one thousand, thirty".

Divisors: 1 2 5 10 19 38 95 190 613 1226 1249 2498 3065 6130 6245 11647 12490 23294 23731 47462 58235 116470 118655 237310 765637 1531274 3828185 7656370 14547103 29094206 72735515 145471030