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158463942 = 2373135923
BaseRepresentation
bin10010111000111…
…11011111000110
3102001011210122220
421130133133012
5311031321232
623420233210
73632631000
oct1134373706
9361153586
10158463942
11814a333a
124509b806
1326aa3560
141708d370
15dda242c
hex971f7c6

158463942 has 64 divisors (see below), whose sum is σ = 398092800. Its totient is φ = 41785632.

The previous prime is 158463941. The next prime is 158463961. The reversal of 158463942 is 249364851.

158463942 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1584639422 = 50221641828358728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 158463894 and 158463903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158463941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23793 + ... + 29715.

It is an arithmetic number, because the mean of its divisors is an integer number (6220200).

Almost surely, 2158463942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158463942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199046400).

158463942 is an abundant number, since it is smaller than the sum of its proper divisors (239628858).

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

158463942 is a wasteful number, since it uses less digits than its factorization.

158463942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5962 (or 5948 counting only the distinct ones).

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

The square root of 158463942 is about 12588.2461844373. The cubic root of 158463942 is about 541.1406410557.

Subtracting 158463942 from its reverse (249364851), we obtain a palindrome (90900909).

The spelling of 158463942 in words is "one hundred fifty-eight million, four hundred sixty-three thousand, nine hundred forty-two".

Divisors: 1 2 3 6 7 13 14 21 26 39 42 49 78 91 98 147 182 273 294 343 546 637 686 1029 1274 1911 2058 3822 4459 5923 8918 11846 13377 17769 26754 35538 41461 76999 82922 124383 153998 230997 248766 290227 461994 538993 580454 870681 1077986 1616979 1741362 2031589 3233958 3772951 4063178 6094767 7545902 11318853 12189534 22637706 26410657 52821314 79231971 158463942