Search a number
-
+
2251402468 = 22780407231
BaseRepresentation
bin1000011000110001…
…1010110011100100
312210220102002120121
42012030122303210
514102324334333
61011223211324
7106535414410
oct20614326344
95726362517
102251402468
11a55948aa7
12529ba6b44
1329b58b213
1417501bd40
15d29c232d
hex8631ace4

2251402468 has 12 divisors (see below), whose sum is σ = 4502804992. Its totient is φ = 964886760.

The previous prime is 2251402459. The next prime is 2251402477. The reversal of 2251402468 is 8642041522.

It is an interprime number because it is at equal distance from previous prime (2251402459) and next prime (2251402477).

2251402468 is an admirable number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

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, 40203588 + ... + 40203643.

Almost surely, 22251402468 is an apocalyptic number.

2251402468 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2251402468 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2251402468 is a wasteful number, since it uses less digits than its factorization.

2251402468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80407242 (or 80407240 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 2251402468 is about 47448.9459103150. The cubic root of 2251402468 is about 1310.6429002552.

The spelling of 2251402468 in words is "two billion, two hundred fifty-one million, four hundred two thousand, four hundred sixty-eight".

Divisors: 1 2 4 7 14 28 80407231 160814462 321628924 562850617 1125701234 2251402468