Search a number
-
+
3154430140 = 225157721507
BaseRepresentation
bin1011110000000100…
…1100100010111100
322010211121122122221
42330001030202330
522430013231030
61241002215124
7141112133221
oct27401144274
98124548587
103154430140
111379659064
127404b44a4
133b36a4a14
1421cd25948
15136deae7a
hexbc04c8bc

3154430140 has 12 divisors (see below), whose sum is σ = 6624303336. Its totient is φ = 1261772048.

The previous prime is 3154430119. The next prime is 3154430159. The reversal of 3154430140 is 410344513.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78860734 + ... + 78860773.

It is an arithmetic number, because the mean of its divisors is an integer number (552025278).

Almost surely, 23154430140 is an apocalyptic number.

It is an amenable number.

3154430140 is an abundant number, since it is smaller than the sum of its proper divisors (3469873196).

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

3154430140 is a wasteful number, since it uses less digits than its factorization.

3154430140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157721516 (or 157721514 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 3154430140 is about 56164.3137588273. The cubic root of 3154430140 is about 1466.5840964764.

Adding to 3154430140 its reverse (410344513), we get a palindrome (3564774653).

The spelling of 3154430140 in words is "three billion, one hundred fifty-four million, four hundred thirty thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 157721507 315443014 630886028 788607535 1577215070 3154430140