Search a number
-
+
3820070900 = 225238200709
BaseRepresentation
bin1110001110110001…
…1010011111110100
3100212020010201010102
43203230122133310
530310414232100
61431021213232
7163444031642
oct34354323764
910766121112
103820070900
11169036a898
128a7401218
1348b573ba9
142834b8192
15175582cd5
hexe3b1a7f4

3820070900 has 18 divisors (see below), whose sum is σ = 8289554070. Its totient is φ = 1528028320.

The previous prime is 3820070899. The next prime is 3820070923. The reversal of 3820070900 is 90700283.

It can be written as a sum of positive squares in 3 ways, for example, as 583696 + 3819487204 = 764^2 + 61802^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19100255 + ... + 19100454.

Almost surely, 23820070900 is an apocalyptic number.

It is an amenable number.

3820070900 is an abundant number, since it is smaller than the sum of its proper divisors (4469483170).

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

3820070900 is a wasteful number, since it uses less digits than its factorization.

3820070900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38200723 (or 38200716 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 3820070900 is about 61806.7221263189. The cubic root of 3820070900 is about 1563.2333359792.

The spelling of 3820070900 in words is "three billion, eight hundred twenty million, seventy thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 38200709 76401418 152802836 191003545 382007090 764014180 955017725 1910035450 3820070900