Search a number
-
+
25403230452 = 22337595571741
BaseRepresentation
bin10111101010001001…
…101000100011110100
32102120101122211000010
4113222021220203310
5404011211333302
615400423220220
71556341616235
oct275211504364
972511584003
1025403230452
11a856509036
124b0b5a7670
13251ac39312
14132db4d08c
159da2c316c
hex5ea2688f4

25403230452 has 96 divisors (see below), whose sum is σ = 62054778240. Its totient is φ = 8080058880.

The previous prime is 25403230429. The next prime is 25403230459.

25403230452 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25403230459) 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 31 ways as a sum of consecutive naturals, for example, 14590302 + ... + 14592042.

It is an arithmetic number, because the mean of its divisors is an integer number (646403940).

Almost surely, 225403230452 is an apocalyptic number.

It is an amenable number.

25403230452 is an abundant number, since it is smaller than the sum of its proper divisors (36651547788).

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

25403230452 is a wasteful number, since it uses less digits than its factorization.

25403230452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2401 (or 2399 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

The spelling of 25403230452 in words is "twenty-five billion, four hundred three million, two hundred thirty thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 37 59 74 111 118 148 177 222 236 354 444 557 708 1114 1671 1741 2183 2228 3342 3482 4366 5223 6549 6684 6964 8732 10446 13098 20609 20892 26196 32863 41218 61827 64417 65726 82436 98589 102719 123654 128834 131452 193251 197178 205438 247308 257668 308157 386502 394356 410876 616314 773004 969737 1215931 1232628 1939474 2431862 2909211 3647793 3800603 3878948 4863724 5818422 7295586 7601206 11401809 11636844 14591172 15202412 22803618 35880269 45607236 57214483 71760538 107640807 114428966 143521076 171643449 215281614 228857932 343286898 430563228 686573796 2116935871 4233871742 6350807613 8467743484 12701615226 25403230452