Search a number
-
+
47052740 = 22573193
BaseRepresentation
bin1011001101111…
…1011111000100
310021112112020002
42303133133010
544021141430
64400300432
71110641000
oct263373704
9107475202
1047052740
1124618469
1213911718
139995a77
14636b700
1541e6845
hex2cdf7c4

47052740 has 96 divisors (see below), whose sum is σ = 121632000. Its totient is φ = 15283296.

The previous prime is 47052739. The next prime is 47052749. The reversal of 47052740 is 4725074.

It is not an unprimeable number, because it can be changed into a prime (47052749) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2476451 + ... + 2476469.

It is an arithmetic number, because the mean of its divisors is an integer number (1267000).

Almost surely, 247052740 is an apocalyptic number.

It is a pronic number, being equal to 6859×6860.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47052740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60816000).

47052740 is an abundant number, since it is smaller than the sum of its proper divisors (74579260).

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

47052740 is an equidigital number, since it uses as much as digits as its factorization.

47052740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87 (or 33 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 47052740 is about 6859.4999817771. The cubic root of 47052740 is about 361.0175430071.

The spelling of 47052740 in words is "forty-seven million, fifty-two thousand, seven hundred forty".

Divisors: 1 2 4 5 7 10 14 19 20 28 35 38 49 70 76 95 98 133 140 190 196 245 266 343 361 380 490 532 665 686 722 931 980 1330 1372 1444 1715 1805 1862 2527 2660 3430 3610 3724 4655 5054 6517 6859 6860 7220 9310 10108 12635 13034 13718 17689 18620 25270 26068 27436 32585 34295 35378 48013 50540 65170 68590 70756 88445 96026 123823 130340 137180 176890 192052 240065 247646 336091 353780 480130 495292 619115 672182 960260 1238230 1344364 1680455 2352637 2476460 3360910 4705274 6721820 9410548 11763185 23526370 47052740