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725055998 = 21919080421
BaseRepresentation
bin101011001101110…
…111100111111110
31212112022122211212
4223031313213332
52441103242443
6155540244422
723652605612
oct5315674776
91775278755
10725055998
11342303337
121829a0712
13b72a2c24
146c41b342
15439c1618
hex2b3779fe

725055998 has 8 divisors (see below), whose sum is σ = 1144825320. Its totient is φ = 343447560.

The previous prime is 725055937. The next prime is 725056027. The reversal of 725055998 is 899550527.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9540173 + ... + 9540248.

It is an arithmetic number, because the mean of its divisors is an integer number (143103165).

Almost surely, 2725055998 is an apocalyptic number.

725055998 is a deficient number, since it is larger than the sum of its proper divisors (419769322).

725055998 is a wasteful number, since it uses less digits than its factorization.

725055998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19080442.

The product of its (nonzero) digits is 1134000, while the sum is 50.

The square root of 725055998 is about 26926.8638723487. The cubic root of 725055998 is about 898.3740181039.

The spelling of 725055998 in words is "seven hundred twenty-five million, fifty-five thousand, nine hundred ninety-eight".

Divisors: 1 2 19 38 19080421 38160842 362527999 725055998