Search a number
-
+
47742250 = 253192232
BaseRepresentation
bin1011011000011…
…1110100101010
310022211120001111
42312013310222
544210223000
64423140534
71116542143
oct266076452
9108746044
1047742250
1124a49506
1213ba474a
139b7786a
1464aaaca
1542d0cba
hex2d87d2a

47742250 has 72 divisors (see below), whose sum is σ = 98604324. Its totient is φ = 17305200.

The previous prime is 47742209. The next prime is 47742259. The reversal of 47742250 is 5224774.

It can be written as a sum of positive squares in 2 ways, for example, as 32273761 + 15468489 = 5681^2 + 3933^2 .

It is not an unprimeable number, because it can be changed into a prime (47742259) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2075739 + ... + 2075761.

Almost surely, 247742250 is an apocalyptic number.

47742250 is an abundant number, since it is smaller than the sum of its proper divisors (50862074).

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

47742250 is a wasteful number, since it uses less digits than its factorization.

47742250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 49 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 47742250 is about 6909.5766874679. The cubic root of 47742250 is about 362.7724467891.

The spelling of 47742250 in words is "forty-seven million, seven hundred forty-two thousand, two hundred fifty".

Divisors: 1 2 5 10 19 23 25 38 46 50 95 115 125 190 230 250 361 437 475 529 575 722 874 950 1058 1150 1805 2185 2375 2645 2875 3610 4370 4750 5290 5750 8303 9025 10051 10925 13225 16606 18050 20102 21850 26450 41515 45125 50255 54625 66125 83030 90250 100510 109250 132250 190969 207575 251275 381938 415150 502550 954845 1037875 1256375 1909690 2075750 2512750 4774225 9548450 23871125 47742250