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234216740 = 22585313729
BaseRepresentation
bin11011111010111…
…01110100100100
3121022201102222002
431331131310210
5434424413430
635124024432
75542544432
oct1575356444
9538642862
10234216740
1111023355a
1266532118
13396a76b4
142316bd52
1515867845
hexdf5dd24

234216740 has 24 divisors (see below), whose sum is σ = 492467640. Its totient is φ = 93570048.

The previous prime is 234216737. The next prime is 234216779. The reversal of 234216740 is 47612432.

It can be written as a sum of positive squares in 4 ways, for example, as 65536 + 234151204 = 256^2 + 15302^2 .

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 7 ways as a sum of consecutive naturals, for example, 10196 + ... + 23924.

It is an arithmetic number, because the mean of its divisors is an integer number (20519485).

Almost surely, 2234216740 is an apocalyptic number.

234216740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234216740 is an abundant number, since it is smaller than the sum of its proper divisors (258250900).

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

234216740 is a wasteful number, since it uses less digits than its factorization.

234216740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14591 (or 14589 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 234216740 is about 15304.1412696041. The cubic root of 234216740 is about 616.4142130340.

The spelling of 234216740 in words is "two hundred thirty-four million, two hundred sixteen thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 853 1706 3412 4265 8530 13729 17060 27458 54916 68645 137290 274580 11710837 23421674 46843348 58554185 117108370 234216740