Search a number
-
+
425120464 = 24731133221
BaseRepresentation
bin11001010101101…
…101001011010000
31002121221100122101
4121111231023100
51332312323324
6110103450144
713351315156
oct3125551320
91077840571
10425120464
111a8a7332a
12ba456954
136a0c8592
14406633d6
15274c6944
hex1956d2d0

425120464 has 40 divisors (see below), whose sum is σ = 842604552. Its totient is φ = 207728640.

The previous prime is 425120447. The next prime is 425120467. The reversal of 425120464 is 464021524.

It can be written as a sum of positive squares in 4 ways, for example, as 24800400 + 400320064 = 4980^2 + 20008^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425120467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130374 + ... + 133594.

Almost surely, 2425120464 is an apocalyptic number.

It is an amenable number.

425120464 is a deficient number, since it is larger than the sum of its proper divisors (417484088).

425120464 is a wasteful number, since it uses less digits than its factorization.

425120464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3415 (or 3409 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 425120464 is about 20618.4496022373. The cubic root of 425120464 is about 751.9183271041.

Adding to 425120464 its reverse (464021524), we get a palindrome (889141988).

The spelling of 425120464 in words is "four hundred twenty-five million, one hundred twenty thousand, four hundred sixty-four".

Divisors: 1 2 4 8 16 73 113 146 226 292 452 584 904 1168 1808 3221 6442 8249 12884 16498 25768 32996 51536 65992 131984 235133 363973 470266 727946 940532 1455892 1881064 2911784 3762128 5823568 26570029 53140058 106280116 212560232 425120464