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2990545740 = 22325713416173
BaseRepresentation
bin1011001001000000…
…0001101101001100
321201102020110112100
42302100001231030
522111034430430
61212425435100
7134052135150
oct26220015514
97642213470
102990545740
1112a50a3306
126b563ba90
133887541c0
14205265060
15127827960
hexb2401b4c

2990545740 has 576 divisors, whose sum is σ = 11783745792. Its totient is φ = 597196800.

The previous prime is 2990545729. The next prime is 2990545741. The reversal of 2990545740 is 475450992.

2990545740 is a `hidden beast` number, since 29 + 9 + 0 + 54 + 574 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (2990545741) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 40966344 + ... + 40966416.

It is an arithmetic number, because the mean of its divisors is an integer number (20457892).

Almost surely, 22990545740 is an apocalyptic number.

2990545740 is a gapful number since it is divisible by the number (20) 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 2990545740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5891872896).

2990545740 is an abundant number, since it is smaller than the sum of its proper divisors (8793200052).

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

2990545740 is a wasteful number, since it uses less digits than its factorization.

2990545740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 2990545740 is about 54685.8824560782. The cubic root of 2990545740 is about 1440.7329312874.

The spelling of 2990545740 in words is "two billion, nine hundred ninety million, five hundred forty-five thousand, seven hundred forty".