Search a number
-
+
4225182381 = 327716911367
BaseRepresentation
bin1111101111010111…
…0010101010101101
3101220110102111121100
43323311302222231
532123121314011
61535132153313
7206463312660
oct37365625255
911813374540
104225182381
111879007072
1299b008839
13524484c24
142c120d6d7
1519ae05d56
hexfbd72aad

4225182381 has 48 divisors (see below), whose sum is σ = 7088560128. Its totient is φ = 2375200800.

The previous prime is 4225182349. The next prime is 4225182407. The reversal of 4225182381 is 1832815224.

It is a happy number.

4225182381 is a `hidden beast` number, since 42 + 2 + 518 + 23 + 81 = 666.

It is not a de Polignac number, because 4225182381 - 25 = 4225182349 is a prime.

It is a super-2 number, since 2×42251823812 = 35704332305425658322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4225183381) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3090160 + ... + 3091526.

It is an arithmetic number, because the mean of its divisors is an integer number (147678336).

Almost surely, 24225182381 is an apocalyptic number.

It is an amenable number.

4225182381 is a deficient number, since it is larger than the sum of its proper divisors (2863377747).

4225182381 is a wasteful number, since it uses less digits than its factorization.

4225182381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142 (or 2139 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 4225182381 is about 65001.4029156294. The cubic root of 4225182381 is about 1616.6468238941.

The spelling of 4225182381 in words is "four billion, two hundred twenty-five million, one hundred eighty-two thousand, three hundred eighty-one".

Divisors: 1 3 7 9 21 63 71 213 497 639 691 1367 1491 2073 4101 4473 4837 6219 9569 12303 14511 28707 43533 49061 86121 97057 147183 291171 343427 441549 679399 873513 944597 1030281 2038197 2833791 3090843 6114591 6612179 8501373 19836537 59509611 67066387 201199161 469464709 603597483 1408394127 4225182381