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147138810 = 23571353897
BaseRepresentation
bin10001100010100…
…10100011111010
3101020212102111120
420301102203322
5300131420220
622333410110
73434442060
oct1061224372
9336772446
10147138810
1176068625
1241339936
13246397b0
1415782030
15cdb6a40
hex8c528fa

147138810 has 64 divisors (see below), whose sum is σ = 434633472. Its totient is φ = 31044096.

The previous prime is 147138787. The next prime is 147138821. The reversal of 147138810 is 18831741.

It is a super-2 number, since 2×1471388102 = 43299658816432200, which contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 24219 + ... + 29678.

It is an arithmetic number, because the mean of its divisors is an integer number (6791148).

Almost surely, 2147138810 is an apocalyptic number.

147138810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

147138810 is an abundant number, since it is smaller than the sum of its proper divisors (287494662).

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

147138810 is a wasteful number, since it uses less digits than its factorization.

147138810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53927.

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 147138810 is about 12130.0787301649. The cubic root of 147138810 is about 527.9292762825.

The spelling of 147138810 in words is "one hundred forty-seven million, one hundred thirty-eight thousand, eight hundred ten".

Divisors: 1 2 3 5 6 7 10 13 14 15 21 26 30 35 39 42 65 70 78 91 105 130 182 195 210 273 390 455 546 910 1365 2730 53897 107794 161691 269485 323382 377279 538970 700661 754558 808455 1131837 1401322 1616910 1886395 2101983 2263674 3503305 3772790 4203966 4904627 5659185 7006610 9809254 10509915 11318370 14713881 21019830 24523135 29427762 49046270 73569405 147138810