Search a number
-
+
425421948 = 223711344819
BaseRepresentation
bin11001010110110…
…110110001111100
31002122111200012110
4121112312301330
51332402000243
6110114134020
713354012140
oct3126666174
91078450173
10425421948
111a9159896
12ba581310
136a1a2883
1440701220
1527535e33
hex195b6c7c

425421948 has 48 divisors (see below), whose sum is σ = 1144523520. Its totient is φ = 120470784.

The previous prime is 425421947. The next prime is 425421973. The reversal of 425421948 is 849124524.

It is a super-2 number, since 2×4254219482 = 361967667680229408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425421943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12918 + ... + 31901.

It is an arithmetic number, because the mean of its divisors is an integer number (23844240).

Almost surely, 2425421948 is an apocalyptic number.

It is an amenable number.

425421948 is an abundant number, since it is smaller than the sum of its proper divisors (719101572).

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

425421948 is a wasteful number, since it uses less digits than its factorization.

425421948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44946 (or 44944 counting only the distinct ones).

The product of its digits is 92160, while the sum is 39.

The square root of 425421948 is about 20625.7593314767. The cubic root of 425421948 is about 752.0960318548.

The spelling of 425421948 in words is "four hundred twenty-five million, four hundred twenty-one thousand, nine hundred forty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 113 226 339 452 678 791 1356 1582 2373 3164 4746 9492 44819 89638 134457 179276 268914 313733 537828 627466 941199 1254932 1882398 3764796 5064547 10129094 15193641 20258188 30387282 35451829 60774564 70903658 106355487 141807316 212710974 425421948