Search a number
-
+
3172478268 = 223264373189
BaseRepresentation
bin1011110100011000…
…0010110100111100
322012002120121001010
42331012002310330
522444123301033
61242445115220
7141421422531
oct27506026474
98162517033
103172478268
111388865973
12746558b10
133b735389b
142214a2d88
151387b3863
hexbd182d3c

3172478268 has 12 divisors (see below), whose sum is σ = 7402449320. Its totient is φ = 1057492752.

The previous prime is 3172478263. The next prime is 3172478269. The reversal of 3172478268 is 8628742713.

3172478268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3172478263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132186583 + ... + 132186606.

Almost surely, 23172478268 is an apocalyptic number.

It is an amenable number.

3172478268 is an abundant number, since it is smaller than the sum of its proper divisors (4229971052).

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

3172478268 is a wasteful number, since it uses less digits than its factorization.

3172478268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264373196 (or 264373194 counting only the distinct ones).

The product of its digits is 903168, while the sum is 48.

The square root of 3172478268 is about 56324.7571499425. The cubic root of 3172478268 is about 1469.3758079254.

The spelling of 3172478268 in words is "three billion, one hundred seventy-two million, four hundred seventy-eight thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 12 264373189 528746378 793119567 1057492756 1586239134 3172478268