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145501070 = 251113101749
BaseRepresentation
bin10001010110000…
…10101110001110
3101010210012221112
420223002232032
5244222013240
622234332022
73414511241
oct1053025616
9333705845
10145501070
117514a120
124088a012
13241b5210
1415477258
15cb91665
hex8ac2b8e

145501070 has 32 divisors (see below), whose sum is σ = 307692000. Its totient is φ = 48839040.

The previous prime is 145501063. The next prime is 145501123. The reversal of 145501070 is 70105541.

It is a super-2 number, since 2×1455010702 = 42341122742289800, which contains 22 as substring.

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, 49445 + ... + 52304.

It is an arithmetic number, because the mean of its divisors is an integer number (9615375).

Almost surely, 2145501070 is an apocalyptic number.

145501070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145501070 is an abundant number, since it is smaller than the sum of its proper divisors (162190930).

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

145501070 is a wasteful number, since it uses less digits than its factorization.

145501070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101780.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 145501070 is about 12062.3824346602. The cubic root of 145501070 is about 525.9632444547.

The spelling of 145501070 in words is "one hundred forty-five million, five hundred one thousand, seventy".

Divisors: 1 2 5 10 11 13 22 26 55 65 110 130 143 286 715 1430 101749 203498 508745 1017490 1119239 1322737 2238478 2645474 5596195 6613685 11192390 13227370 14550107 29100214 72750535 145501070