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725630470 = 25227373857
BaseRepresentation
bin101011010000000…
…011111000000110
31212120101211212121
4223100003320012
52441230133340
6200000440154
723660520505
oct5320037006
91776354777
10725630470
11342665a04
1218301905a
13b7444556
146c52a83c
1543a8694a
hex2b403e06

725630470 has 32 divisors (see below), whose sum is σ = 1316940768. Its totient is φ = 287862528.

The previous prime is 725630467. The next prime is 725630471. The reversal of 725630470 is 74036527.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725630471) 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, 846282 + ... + 847138.

It is an arithmetic number, because the mean of its divisors is an integer number (41154399).

Almost surely, 2725630470 is an apocalyptic number.

725630470 is a deficient number, since it is larger than the sum of its proper divisors (591310298).

725630470 is a wasteful number, since it uses less digits than its factorization.

725630470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 725630470 is about 26937.5290255064. The cubic root of 725630470 is about 898.6112202319.

Adding to 725630470 its reverse (74036527), we get a palindrome (799666997).

The spelling of 725630470 in words is "seven hundred twenty-five million, six hundred thirty thousand, four hundred seventy".

Divisors: 1 2 5 10 227 373 454 746 857 1135 1714 1865 2270 3730 4285 8570 84671 169342 194539 319661 389078 423355 639322 846710 972695 1598305 1945390 3196610 72563047 145126094 362815235 725630470