Search a number
-
+
2990945496 = 23372111943283
BaseRepresentation
bin1011001001000110…
…0011010011011000
321201102222202220010
42302101203103120
522111140223441
61212442201520
7134055421500
oct26221432330
97642882803
102990945496
1112a5346690
126b57b32a0
13388864146
1420532aa00
151278a6116
hexb24634d8

2990945496 has 384 divisors, whose sum is σ = 10256716800. Its totient is φ = 716325120.

The previous prime is 2990945491. The next prime is 2990945497. The reversal of 2990945496 is 6945490992.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2990945491) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10568571 + ... + 10568853.

It is an arithmetic number, because the mean of its divisors is an integer number (26710200).

Almost surely, 22990945496 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 2990945496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5128358400).

2990945496 is an abundant number, since it is smaller than the sum of its proper divisors (7265771304).

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

2990945496 is a wasteful number, since it uses less digits than its factorization.

2990945496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379 (or 368 counting only the distinct ones).

The product of its (nonzero) digits is 6298560, while the sum is 57.

The square root of 2990945496 is about 54689.5373540497. The cubic root of 2990945496 is about 1440.7971242501.

It can be divided in two parts, 299094 and 5496, that added together give a triangular number (304590 = T780).

The spelling of 2990945496 in words is "two billion, nine hundred ninety million, nine hundred forty-five thousand, four hundred ninety-six".