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250431472 = 2429539723
BaseRepresentation
bin11101110110101…
…00011111110000
3122110020020101201
432323110133300
51003102301342
640503340544
76130426624
oct1673243760
9573206351
10250431472
111193a8965
126ba51754
133cb63c05
142538d184
1516ebbdb7
hexeed47f0

250431472 has 20 divisors (see below), whose sum is σ = 501943320. Its totient is φ = 120897728.

The previous prime is 250431449. The next prime is 250431481. The reversal of 250431472 is 274134052.

It is a self number, because there is not a number n which added to its sum of digits gives 250431472.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 269398 + ... + 270325.

It is an arithmetic number, because the mean of its divisors is an integer number (25097166).

Almost surely, 2250431472 is an apocalyptic number.

It is an amenable number.

250431472 is an abundant number, since it is smaller than the sum of its proper divisors (251511848).

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

250431472 is a wasteful number, since it uses less digits than its factorization.

250431472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539760 (or 539754 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 250431472 is about 15825.0267614308. The cubic root of 250431472 is about 630.3227304221.

The spelling of 250431472 in words is "two hundred fifty million, four hundred thirty-one thousand, four hundred seventy-two".

Divisors: 1 2 4 8 16 29 58 116 232 464 539723 1079446 2158892 4317784 8635568 15651967 31303934 62607868 125215736 250431472