Search a number
-
+
3454145490 = 235115138183
BaseRepresentation
bin1100110111100010…
…0001001111010010
322220201120202211110
43031320201033102
524033230123430
61330430154150
7151411516005
oct31570411722
98821522743
103454145490
1115128586a4
12804952956
13430803093
1424aa6353c
151533a07b0
hexcde213d2

3454145490 has 16 divisors (see below), whose sum is σ = 8289949248. Its totient is φ = 921105456.

The previous prime is 3454145473. The next prime is 3454145503. The reversal of 3454145490 is 945414543.

3454145490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×34541454902 = 23862242132174680200, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57569062 + ... + 57569121.

It is an arithmetic number, because the mean of its divisors is an integer number (518121828).

Almost surely, 23454145490 is an apocalyptic number.

3454145490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3454145490 is an abundant number, since it is smaller than the sum of its proper divisors (4835803758).

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

3454145490 is a wasteful number, since it uses less digits than its factorization.

3454145490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115138193.

The product of its (nonzero) digits is 172800, while the sum is 39.

The square root of 3454145490 is about 58771.9787824096. The cubic root of 3454145490 is about 1511.6347790586.

The spelling of 3454145490 in words is "three billion, four hundred fifty-four million, one hundred forty-five thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 115138183 230276366 345414549 575690915 690829098 1151381830 1727072745 3454145490