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5490198810 = 232561002209
BaseRepresentation
bin1010001110011110…
…11100100100011010
3112011121202222220200
411013033130210122
542220442330220
62304442003030
7253023630345
oct50717344432
915147688820
105490198810
11236808a698
1210927a6476
13696591765
143a122545c
15221ed5890
hex1473dc91a

5490198810 has 24 divisors (see below), whose sum is σ = 14274517140. Its totient is φ = 1464052992.

The previous prime is 5490198781. The next prime is 5490198811. The reversal of 5490198810 is 188910945.

5490198810 is a `hidden beast` number, since 549 + 0 + 1 + 98 + 8 + 10 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5330606121 + 159592689 = 73011^2 + 12633^2 .

It is a super-2 number, since 2×54901988102 = 60284565946650832200, which contains 22 as substring.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5490198811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30501015 + ... + 30501194.

Almost surely, 25490198810 is an apocalyptic number.

5490198810 is an abundant number, since it is smaller than the sum of its proper divisors (8784318330).

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

5490198810 is a wasteful number, since it uses less digits than its factorization.

5490198810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61002222 (or 61002219 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 45.

The square root of 5490198810 is about 74095.8757961602. The cubic root of 5490198810 is about 1764.1250104227.

The spelling of 5490198810 in words is "five billion, four hundred ninety million, one hundred ninety-eight thousand, eight hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 61002209 122004418 183006627 305011045 366013254 549019881 610022090 915033135 1098039762 1830066270 2745099405 5490198810