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2352247940 = 225722400253
BaseRepresentation
bin1000110000110100…
…0111010010000100
320001221011120120002
42030031013102010
514304133413230
61025224500432
7112201530500
oct21415072204
96057146502
102352247940
11aa7867769
1255791a718
132b64397b3
1418458d300
15db792545
hex8c347484

2352247940 has 36 divisors (see below), whose sum is σ = 5746208076. Its totient is φ = 806484672.

The previous prime is 2352247907. The next prime is 2352247943. The reversal of 2352247940 is 497422532.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 238455364 + 2113792576 = 15442^2 + 45976^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2352247894 and 2352247903.

It is not an unprimeable number, because it can be changed into a prime (2352247943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1199147 + ... + 1201106.

It is an arithmetic number, because the mean of its divisors is an integer number (159616891).

Almost surely, 22352247940 is an apocalyptic number.

2352247940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2352247940 is an abundant number, since it is smaller than the sum of its proper divisors (3393960136).

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

2352247940 is a wasteful number, since it uses less digits than its factorization.

2352247940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2400276 (or 2400267 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 2352247940 is about 48499.9787628819. The cubic root of 2352247940 is about 1329.9266810921.

The spelling of 2352247940 in words is "two billion, three hundred fifty-two million, two hundred forty-seven thousand, nine hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 490 980 2400253 4800506 9601012 12001265 16801771 24002530 33603542 48005060 67207084 84008855 117612397 168017710 235224794 336035420 470449588 588061985 1176123970 2352247940