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4542929820 = 22335111358831
BaseRepresentation
bin1000011101100011…
…11001101110011100
3102201121022202011000
410032301321232130
533300442223240
62030442430300
7220402160232
oct41661715634
912647282130
104542929820
111a21402460
12a69502390
13575257a70
143114c2952
151b8c6d430
hex10ec79b9c

4542929820 has 192 divisors, whose sum is σ = 16604743680. Its totient is φ = 1016582400.

The previous prime is 4542929777. The next prime is 4542929851. The reversal of 4542929820 is 289292454.

4542929820 is a `hidden beast` number, since 4 + 542 + 9 + 29 + 82 + 0 = 666.

It is a super-2 number, since 2×45429298202 = 41276422698890464800, which contains 22 as substring.

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 polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47805 + ... + 106635.

It is an arithmetic number, because the mean of its divisors is an integer number (86483040).

Almost surely, 24542929820 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4542929820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8302371840).

4542929820 is an abundant number, since it is smaller than the sum of its proper divisors (12061813860).

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

4542929820 is a wasteful number, since it uses less digits than its factorization.

4542929820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58873 (or 58865 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 4542929820 is about 67401.2597805115. The cubic root of 4542929820 is about 1656.1970596203.

The spelling of 4542929820 in words is "four billion, five hundred forty-two million, nine hundred twenty-nine thousand, eight hundred twenty".