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1461456942 = 231122143287
BaseRepresentation
bin101011100011100…
…0001000000101110
310202211222201000220
41113013001000232
510443113110232
6401004032210
751134115261
oct12707010056
93684881026
101461456942
1168aa55260
12349532666
131a3a1892a
14dc14ccd8
158848442c
hex571c102e

1461456942 has 16 divisors (see below), whose sum is σ = 3188633472. Its totient is φ = 442865720.

The previous prime is 1461456923. The next prime is 1461456947. The reversal of 1461456942 is 2496541641.

It is a junction number, because it is equal to n+sod(n) for n = 1461456894 and 1461456903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1461456947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11071578 + ... + 11071709.

It is an arithmetic number, because the mean of its divisors is an integer number (199289592).

Almost surely, 21461456942 is an apocalyptic number.

1461456942 is an abundant number, since it is smaller than the sum of its proper divisors (1727176530).

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

1461456942 is a wasteful number, since it uses less digits than its factorization.

1461456942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22143303.

The product of its digits is 207360, while the sum is 42.

The square root of 1461456942 is about 38229.0065526166. The cubic root of 1461456942 is about 1134.8244256093.

It can be divided in two parts, 1461 and 456942, that added together give a triangular number (458403 = T957).

The spelling of 1461456942 in words is "one billion, four hundred sixty-one million, four hundred fifty-six thousand, nine hundred forty-two".

Divisors: 1 2 3 6 11 22 33 66 22143287 44286574 66429861 132859722 243576157 487152314 730728471 1461456942