Search a number
-
+
7250220527 = 114118188817
BaseRepresentation
bin1101100000010010…
…11001010111101111
3200201021120100211012
412300021121113233
5104322024024102
63155233215435
7344444600114
oct66011312757
920637510735
107250220527
113090618aa0
1214a410157b
138b70c4b24
144cac9290b
152c6793752
hex1b02595ef

7250220527 has 16 divisors (see below), whose sum is σ = 8147097504. Its totient is φ = 6394752000.

The previous prime is 7250220499. The next prime is 7250220557.

7250220527 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 7250220527 - 230 = 6176478703 is a prime.

It is a super-3 number, since 3×72502205273 (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7250220493 and 7250220502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7250220557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37223 + ... + 126039.

It is an arithmetic number, because the mean of its divisors is an integer number (509193594).

Almost surely, 27250220527 is an apocalyptic number.

7250220527 is a deficient number, since it is larger than the sum of its proper divisors (896876977).

7250220527 is a wasteful number, since it uses less digits than its factorization.

7250220527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89050.

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 7250220527 is about 85148.2267989181. The cubic root of 7250220527 is about 1935.4579438578.

The spelling of 7250220527 in words is "seven billion, two hundred fifty million, two hundred twenty thousand, five hundred twenty-seven".

Divisors: 1 11 41 181 451 1991 7421 81631 88817 976987 3641497 16075877 40056467 176834647 659110957 7250220527