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1472868378 = 23281826021
BaseRepresentation
bin101011111001010…
…0011000000011010
310210122110110120200
41113302203000122
511004023242003
6402052403030
751333113622
oct12762430032
93718413520
101472868378
116964398a3
12351316476
131a61b2a67
14dd87d882
158948a6a3
hex57ca301a

1472868378 has 12 divisors (see below), whose sum is σ = 3191214858. Its totient is φ = 490956120.

The previous prime is 1472868377. The next prime is 1472868407. The reversal of 1472868378 is 8738682741.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 793379889 + 679488489 = 28167^2 + 26067^2 .

It is not an unprimeable number, because it can be changed into a prime (1472868377) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40912993 + ... + 40913028.

Almost surely, 21472868378 is an apocalyptic number.

1472868378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1472868378 is an abundant number, since it is smaller than the sum of its proper divisors (1718346480).

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

1472868378 is a wasteful number, since it uses less digits than its factorization.

1472868378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81826029 (or 81826026 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 54.

The square root of 1472868378 is about 38377.9673510727. The cubic root of 1472868378 is about 1137.7704392285.

The spelling of 1472868378 in words is "one billion, four hundred seventy-two million, eight hundred sixty-eight thousand, three hundred seventy-eight".

Divisors: 1 2 3 6 9 18 81826021 163652042 245478063 490956126 736434189 1472868378