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148685570 = 251117233457
BaseRepresentation
bin10001101110011…
…00001100000010
3101100210000020222
420313030030002
5301030414240
622430503042
73453543425
oct1067141402
9340700228
10148685570
1176a24740
1241964a82
1324a5b837
1415a659bc
15d0beeb5
hex8dcc302

148685570 has 64 divisors (see below), whose sum is σ = 322672896. Its totient is φ = 48660480.

The previous prime is 148685569. The next prime is 148685591. The reversal of 148685570 is 75586841.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41282 + ... + 44738.

It is an arithmetic number, because the mean of its divisors is an integer number (5041764).

Almost surely, 2148685570 is an apocalyptic number.

148685570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

148685570 is an abundant number, since it is smaller than the sum of its proper divisors (173987326).

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

148685570 is a wasteful number, since it uses less digits than its factorization.

148685570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3515.

The product of its (nonzero) digits is 268800, while the sum is 44.

The square root of 148685570 is about 12193.6692590869. The cubic root of 148685570 is about 529.7727398751.

The spelling of 148685570 in words is "one hundred forty-eight million, six hundred eighty-five thousand, five hundred seventy".

Divisors: 1 2 5 10 11 17 22 23 34 46 55 85 110 115 170 187 230 253 374 391 506 782 935 1265 1870 1955 2530 3457 3910 4301 6914 8602 17285 21505 34570 38027 43010 58769 76054 79511 117538 159022 190135 293845 380270 397555 587690 646459 795110 874621 1292918 1351687 1749242 2703374 3232295 4373105 6464590 6758435 8746210 13516870 14868557 29737114 74342785 148685570