156930 has 16 divisors (see below), whose sum is σ = 376704. Its totient is φ = 41840.
The previous prime is 156913. The next prime is 156941. The reversal of 156930 is 39651.
156930 = T60 + T61 + ... + T104.
It is a plaindrome in base 7.
It is a self number, because there is not a number n which added to its sum of digits gives 156930.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2586 + ... + 2645.
It is an arithmetic number, because the mean of its divisors is an integer number (23544).
2156930 is an apocalyptic number.
156930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
156930 is an abundant number, since it is smaller than the sum of its proper divisors (219774).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
156930 is a wasteful number, since it uses less digits than its factorization.
156930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5241.
The product of its (nonzero) digits is 810, while the sum is 24.
The square root of 156930 is about 396.1439132437. The cubic root of 156930 is about 53.9388883422.
The spelling of 156930 in words is "one hundred fifty-six thousand, nine hundred thirty".
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