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147430940 = 225371671193
BaseRepresentation
bin10001100100110…
…01111000011100
3101021102021020012
420302121320130
5300220242230
622343542352
73440066546
oct1062317034
9337367205
10147430940
1176248058
124145a9b8
132470c757
141581a696
15ce23395
hex8c99e1c

147430940 has 48 divisors (see below), whose sum is σ = 320144832. Its totient is φ = 56987136.

The previous prime is 147430939. The next prime is 147430951. The reversal of 147430940 is 49034741.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 147430897 and 147430906.

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, 122984 + ... + 124176.

It is an arithmetic number, because the mean of its divisors is an integer number (6669684).

Almost surely, 2147430940 is an apocalyptic number.

147430940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 147430940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160072416).

147430940 is an abundant number, since it is smaller than the sum of its proper divisors (172713892).

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

147430940 is a wasteful number, since it uses less digits than its factorization.

147430940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406 (or 1404 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 147430940 is about 12142.1143134135. The cubic root of 147430940 is about 528.2784296348.

The spelling of 147430940 in words is "one hundred forty-seven million, four hundred thirty thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 37 74 148 167 185 334 370 668 740 835 1193 1670 2386 3340 4772 5965 6179 11930 12358 23860 24716 30895 44141 61790 88282 123580 176564 199231 220705 398462 441410 796924 882820 996155 1992310 3984620 7371547 14743094 29486188 36857735 73715470 147430940