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1422969438 = 23113178183
BaseRepresentation
bin101010011010000…
…1100101001011110
310200011120100002210
41110310030221132
510403240010223
6353111101250
750156016642
oct12464145136
93604510083
101422969438
11670258000
12338671826
13198a61667
14d6db0c22
1584dd0893
hex54d0ca5e

1422969438 has 32 divisors (see below), whose sum is σ = 3130336512. Its totient is φ = 431200440.

The previous prime is 1422969437. The next prime is 1422969439. The reversal of 1422969438 is 8349692241.

It is an interprime number because it is at equal distance from previous prime (1422969437) and next prime (1422969439).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422969437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81106 + ... + 97077.

It is an arithmetic number, because the mean of its divisors is an integer number (97823016).

Almost surely, 21422969438 is an apocalyptic number.

1422969438 is an abundant number, since it is smaller than the sum of its proper divisors (1707367074).

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

1422969438 is a wasteful number, since it uses less digits than its factorization.

1422969438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178221 (or 178199 counting only the distinct ones).

The product of its digits is 746496, while the sum is 48.

The square root of 1422969438 is about 37722.2671375939. The cubic root of 1422969438 is about 1124.7737982742.

The spelling of 1422969438 in words is "one billion, four hundred twenty-two million, nine hundred sixty-nine thousand, four hundred thirty-eight".

Divisors: 1 2 3 6 11 22 33 66 121 242 363 726 1331 2662 3993 7986 178183 356366 534549 1069098 1960013 3920026 5880039 11760078 21560143 43120286 64680429 129360858 237161573 474323146 711484719 1422969438