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147038940 = 22325816883
BaseRepresentation
bin10001100001110…
…10001011011100
3101020200100111200
420300322023130
5300120221230
622331315500
73433544646
oct1060721334
9336610450
10147038940
1175aaa594
12412abb90
13246031b9
1415757896
15cd97160
hex8c3a2dc

147038940 has 36 divisors (see below), whose sum is σ = 446018664. Its totient is φ = 39210336.

The previous prime is 147038939. The next prime is 147038951. The reversal of 147038940 is 49830741.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 147038895 and 147038904.

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 11 ways as a sum of consecutive naturals, for example, 408262 + ... + 408621.

Almost surely, 2147038940 is an apocalyptic number.

147038940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147038940 is an abundant number, since it is smaller than the sum of its proper divisors (298979724).

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

147038940 is a wasteful number, since it uses less digits than its factorization.

147038940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816898 (or 816893 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 147038940 is about 12125.9614051835. The cubic root of 147038940 is about 527.8098058085.

The spelling of 147038940 in words is "one hundred forty-seven million, thirty-eight thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 816883 1633766 2450649 3267532 4084415 4901298 7351947 8168830 9802596 12253245 14703894 16337660 24506490 29407788 36759735 49012980 73519470 147038940