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342481780 = 22597176537
BaseRepresentation
bin10100011010011…
…101101101110100
3212212102212200101
4110122131231310
51200133404110
653552323444
711326022104
oct2432355564
9785385611
10342481780
1116635a6a3
1296843584
1355c53154
14336b1204
152010113a
hex1469db74

342481780 has 24 divisors (see below), whose sum is σ = 726630408. Its totient is φ = 135579648.

The previous prime is 342481771. The next prime is 342481787. The reversal of 342481780 is 87184243.

It can be written as a sum of positive squares in 4 ways, for example, as 92968164 + 249513616 = 9642^2 + 15796^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342481787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86329 + ... + 90208.

It is an arithmetic number, because the mean of its divisors is an integer number (30276267).

Almost surely, 2342481780 is an apocalyptic number.

It is an amenable number.

342481780 is an abundant number, since it is smaller than the sum of its proper divisors (384148628).

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

342481780 is a wasteful number, since it uses less digits than its factorization.

342481780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176643 (or 176641 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 342481780 is about 18506.2632640952. The cubic root of 342481780 is about 699.6472916988.

The spelling of 342481780 in words is "three hundred forty-two million, four hundred eighty-one thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 97 194 388 485 970 1940 176537 353074 706148 882685 1765370 3530740 17124089 34248178 68496356 85620445 171240890 342481780