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145328070 = 23517284957
BaseRepresentation
bin10001010100110…
…00011111000110
3101010110102122010
420222120133012
5244200444240
622230515050
73413160666
oct1052303706
9333412563
10145328070
1175041148
1240805a86
1324154554
14154301a6
15cb5a280
hex8a987c6

145328070 has 32 divisors (see below), whose sum is σ = 369305568. Its totient is φ = 36474368.

The previous prime is 145328069. The next prime is 145328081. The reversal of 145328070 is 70823541.

It is a super-2 number, since 2×1453280702 = 42240495859849800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 15 ways as a sum of consecutive naturals, for example, 141969 + ... + 142988.

It is an arithmetic number, because the mean of its divisors is an integer number (11540799).

Almost surely, 2145328070 is an apocalyptic number.

145328070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145328070 is an abundant number, since it is smaller than the sum of its proper divisors (223977498).

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

145328070 is a wasteful number, since it uses less digits than its factorization.

145328070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284984.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 145328070 is about 12055.2092474581. The cubic root of 145328070 is about 525.7547059470.

The spelling of 145328070 in words is "one hundred forty-five million, three hundred twenty-eight thousand, seventy".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 284957 569914 854871 1424785 1709742 2849570 4274355 4844269 8548710 9688538 14532807 24221345 29065614 48442690 72664035 145328070