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148588830 = 234513103137
BaseRepresentation
bin10001101101101…
…00100100011110
3101100121002120000
420312310210132
5301014320310
622424435130
73452661405
oct1066644436
9340532500
10148588830
1176968a95
1241918aa6
1324a267b0
1415a3c63c
15d0a14c0
hex8db491e

148588830 has 160 divisors (see below), whose sum is σ = 437621184. Its totient is φ = 35956224.

The previous prime is 148588829. The next prime is 148588883. The reversal of 148588830 is 38885841.

148588830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1084522 + ... + 1084658.

Almost surely, 2148588830 is an apocalyptic number.

148588830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 148588830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218810592).

148588830 is an abundant number, since it is smaller than the sum of its proper divisors (289032354).

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

148588830 is a wasteful number, since it uses less digits than its factorization.

148588830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 45.

The square root of 148588830 is about 12189.7018011106. The cubic root of 148588830 is about 529.6578187613.

The spelling of 148588830 in words is "one hundred forty-eight million, five hundred eighty-eight thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 9 10 13 15 18 26 27 30 39 45 54 65 78 81 90 103 117 130 135 137 162 195 206 234 270 274 309 351 390 405 411 515 585 618 685 702 810 822 927 1030 1053 1170 1233 1339 1370 1545 1755 1781 1854 2055 2106 2466 2678 2781 3090 3510 3562 3699 4017 4110 4635 5265 5343 5562 6165 6695 7398 8034 8343 8905 9270 10530 10686 11097 12051 12330 13390 13905 14111 16029 16686 17810 18495 20085 22194 24102 26715 27810 28222 32058 36153 36990 40170 41715 42333 48087 53430 55485 60255 70555 72306 80145 83430 84666 96174 108459 110970 120510 126999 141110 144261 160290 180765 183443 211665 216918 240435 253998 288522 361530 366886 380997 423330 480870 542295 550329 634995 721305 761994 917215 1084590 1100658 1142991 1269990 1442610 1650987 1834430 1904985 2285982 2751645 3301974 3809970 4952961 5503290 5714955 8254935 9905922 11429910 14858883 16509870 24764805 29717766 49529610 74294415 148588830