Search a number
-
+
1025301252 = 223971396337
BaseRepresentation
bin111101000111001…
…101101100000100
32122110021200220110
4331013031230010
54044434120002
6245423433020
734256626323
oct7507155404
92573250813
101025301252
11486835008
12247455770
13134558541
149a2560ba
156002ce6c
hex3d1cdb04

1025301252 has 48 divisors (see below), whose sum is σ = 2434806080. Its totient is φ = 335757312.

The previous prime is 1025301209. The next prime is 1025301253. The reversal of 1025301252 is 2521035201.

1025301252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×10253012524 (a number of 37 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (1025301253) 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, 158628 + ... + 164964.

Almost surely, 21025301252 is an apocalyptic number.

1025301252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1025301252 is an abundant number, since it is smaller than the sum of its proper divisors (1409504828).

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

1025301252 is a wasteful number, since it uses less digits than its factorization.

1025301252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6580 (or 6578 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1025301252 is about 32020.3256073388. The cubic root of 1025301252 is about 1008.3636057543.

Adding to 1025301252 its reverse (2521035201), we get a palindrome (3546336453).

The spelling of 1025301252 in words is "one billion, twenty-five million, three hundred one thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 97 139 194 278 291 388 417 556 582 834 1164 1668 6337 12674 13483 19011 25348 26966 38022 40449 53932 76044 80898 161796 614689 880843 1229378 1761686 1844067 2458756 2642529 3523372 3688134 5285058 7376268 10570116 85441771 170883542 256325313 341767084 512650626 1025301252