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250132740 = 2235111329153
BaseRepresentation
bin11101110100010…
…11100100000100
3122102200001121120
432322023210010
51003013221430
640453113540
76125043654
oct1672134404
9572601546
10250132740
11119214480
126b9288b0
133ca8ac50
1425312364
1516e5d610
hexee8b904

250132740 has 96 divisors (see below), whose sum is σ = 822842496. Its totient is φ = 55971840.

The previous prime is 250132717. The next prime is 250132789. The reversal of 250132740 is 47231052.

250132740 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 250132740.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5997 + ... + 23156.

It is an arithmetic number, because the mean of its divisors is an integer number (8571276).

Almost surely, 2250132740 is an apocalyptic number.

250132740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250132740 is an abundant number, since it is smaller than the sum of its proper divisors (572709756).

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

250132740 is a wasteful number, since it uses less digits than its factorization.

250132740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29189 (or 29187 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 250132740 is about 15815.5853511655. The cubic root of 250132740 is about 630.0719998336.

Adding to 250132740 its reverse (47231052), we get a palindrome (297363792).

The spelling of 250132740 in words is "two hundred fifty million, one hundred thirty-two thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 10 11 12 13 15 20 22 26 30 33 39 44 52 55 60 65 66 78 110 130 132 143 156 165 195 220 260 286 330 390 429 572 660 715 780 858 1430 1716 2145 2860 4290 8580 29153 58306 87459 116612 145765 174918 291530 320683 349836 378989 437295 583060 641366 757978 874590 962049 1136967 1282732 1515956 1603415 1749180 1894945 1924098 2273934 3206830 3789890 3848196 4168879 4547868 4810245 5684835 6413660 7579780 8337758 9620490 11369670 12506637 16675516 19240980 20844395 22739340 25013274 41688790 50026548 62533185 83377580 125066370 250132740