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145488810 = 23537131071
BaseRepresentation
bin10001010101111…
…11101110101010
3101010202121010110
420222333232222
5244221120220
622234155150
73414430425
oct1052775652
9333677113
10145488810
1175140995
1240882ab6
13241ac76c
14154729bc
15cb8cbe0
hex8abfbaa

145488810 has 32 divisors (see below), whose sum is σ = 358612992. Its totient is φ = 37748160.

The previous prime is 145488809. The next prime is 145488817. The reversal of 145488810 is 18884541.

It is a super-2 number, since 2×1454888102 = 42333987670432200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145488817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64426 + ... + 66645.

It is an arithmetic number, because the mean of its divisors is an integer number (11206656).

Almost surely, 2145488810 is an apocalyptic number.

145488810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145488810 is an abundant number, since it is smaller than the sum of its proper divisors (213124182).

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

145488810 is a wasteful number, since it uses less digits than its factorization.

145488810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131118.

The product of its (nonzero) digits is 40960, while the sum is 39.

The square root of 145488810 is about 12061.8742324732. The cubic root of 145488810 is about 525.9484713892.

The spelling of 145488810 in words is "one hundred forty-five million, four hundred eighty-eight thousand, eight hundred ten".

Divisors: 1 2 3 5 6 10 15 30 37 74 111 185 222 370 555 1110 131071 262142 393213 655355 786426 1310710 1966065 3932130 4849627 9699254 14548881 24248135 29097762 48496270 72744405 145488810