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47352140 = 225112171151
BaseRepresentation
bin1011010010100…
…0100101001100
310022002201220222
42310220211030
544110232030
64410530512
71113325613
oct264504514
9108081828
1047352140
1124802400
1213a36a38
139a6c124
14640887a
1542553e5
hex2d2894c

47352140 has 72 divisors (see below), whose sum is σ = 115831296. Its totient is φ = 16192000.

The previous prime is 47352131. The next prime is 47352163. The reversal of 47352140 is 4125374.

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 23 ways as a sum of consecutive naturals, for example, 40565 + ... + 41715.

It is an arithmetic number, because the mean of its divisors is an integer number (1608768).

Almost surely, 247352140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47352140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57915648).

47352140 is an abundant number, since it is smaller than the sum of its proper divisors (68479156).

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

47352140 is a wasteful number, since it uses less digits than its factorization.

47352140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199 (or 1186 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 47352140 is about 6881.2891234129. The cubic root of 47352140 is about 361.7816515425.

The spelling of 47352140 in words is "forty-seven million, three hundred fifty-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 17 20 22 34 44 55 68 85 110 121 170 187 220 242 340 374 484 605 748 935 1151 1210 1870 2057 2302 2420 3740 4114 4604 5755 8228 10285 11510 12661 19567 20570 23020 25322 39134 41140 50644 63305 78268 97835 126610 139271 195670 215237 253220 278542 391340 430474 557084 696355 860948 1076185 1392710 2152370 2367607 2785420 4304740 4735214 9470428 11838035 23676070 47352140