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357049980 = 2232571779211
BaseRepresentation
bin10101010010000…
…010011001111100
3220212212000111100
4111102002121330
51212401044410
655232453100
711563606020
oct2522023174
9825760440
10357049980
111735aaa31
129b6aa190
1358c840a1
14355c4380
152152c8c0
hex1548267c

357049980 has 288 divisors, whose sum is σ = 1333463040. Its totient is φ = 75479040.

The previous prime is 357049967. The next prime is 357050009. The reversal of 357049980 is 89940753.

357049980 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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 95 ways as a sum of consecutive naturals, for example, 1692075 + ... + 1692285.

It is an arithmetic number, because the mean of its divisors is an integer number (4630080).

Almost surely, 2357049980 is an apocalyptic number.

357049980 is a gapful number since it is divisible by the number (30) 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 357049980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (666731520).

357049980 is an abundant number, since it is smaller than the sum of its proper divisors (976413060).

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

357049980 is a wasteful number, since it uses less digits than its factorization.

357049980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329 (or 324 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 357049980 is about 18895.7661924570. The cubic root of 357049980 is about 709.4301981280.

The spelling of 357049980 in words is "three hundred fifty-seven million, forty-nine thousand, nine hundred eighty".