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250742272 = 29112112
BaseRepresentation
bin11101111001000…
…00011000000000
3122110211000201211
432330200120000
51003142223042
640514135504
76133163014
oct1674403000
9573730654
10250742272
111195a0420
126bb81594
133cc42511
1425430544
151702e017
hexef20600

250742272 has 60 divisors (see below), whose sum is σ = 549142308. Its totient is φ = 113433600.

The previous prime is 250742263. The next prime is 250742279. The reversal of 250742272 is 272247052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250742279) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1188247 + ... + 1188457.

Almost surely, 2250742272 is an apocalyptic number.

250742272 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 250742272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274571154).

250742272 is an abundant number, since it is smaller than the sum of its proper divisors (298400036).

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

250742272 is an frugal number, since it uses more digits than its factorization.

250742272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 250742272 is about 15834.8436051639. The cubic root of 250742272 is about 630.5833783298.

The spelling of 250742272 in words is "two hundred fifty million, seven hundred forty-two thousand, two hundred seventy-two".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 128 176 211 256 352 422 512 704 844 1408 1688 2321 2816 3376 4642 5632 6752 9284 13504 18568 27008 37136 44521 54016 74272 89042 108032 148544 178084 297088 356168 489731 594176 712336 979462 1188352 1424672 1958924 2849344 3917848 5698688 7835696 11397376 15671392 22794752 31342784 62685568 125371136 250742272