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168426037 = 13109118861
BaseRepresentation
bin10100000100111…
…11101000110101
3102201220221002101
422002133220311
5321104113122
624413542101
74113412003
oct1202375065
9381827071
10168426037
1187087a7a
12484a4931
1328b80aa0
1418523a73
15ebbe027
hexa09fa35

168426037 has 8 divisors (see below), whose sum is σ = 183047480. Its totient is φ = 154042560.

The previous prime is 168426023. The next prime is 168426077. The reversal of 168426037 is 730624861.

168426037 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1473796 + 166952241 = 1214^2 + 12921^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-168426037 is a prime.

It is a super-3 number, since 3×1684260373 (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 168425987 and 168426005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168426017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58014 + ... + 60847.

It is an arithmetic number, because the mean of its divisors is an integer number (22880935).

Almost surely, 2168426037 is an apocalyptic number.

It is an amenable number.

168426037 is a deficient number, since it is larger than the sum of its proper divisors (14621443).

168426037 is a wasteful number, since it uses less digits than its factorization.

168426037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118983.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 168426037 is about 12977.9057247308. The cubic root of 168426037 is about 552.2508716232.

The spelling of 168426037 in words is "one hundred sixty-eight million, four hundred twenty-six thousand, thirty-seven".

Divisors: 1 13 109 1417 118861 1545193 12955849 168426037