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310414142 = 2155207071
BaseRepresentation
bin10010100000001…
…000101100111110
3210122002200011002
4102200020230332
51113431223032
650445130302
710456322333
oct2240105476
9718080132
10310414142
1114a247815
1287b59992
134c40600c
142d32498a
151c3b9862
hex12808b3e

310414142 has 4 divisors (see below), whose sum is σ = 465621216. Its totient is φ = 155207070.

The previous prime is 310414123. The next prime is 310414151. The reversal of 310414142 is 241414013.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241414013 = 892712517.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77603534 + ... + 77603537.

It is an arithmetic number, because the mean of its divisors is an integer number (116405304).

Almost surely, 2310414142 is an apocalyptic number.

310414142 is a deficient number, since it is larger than the sum of its proper divisors (155207074).

310414142 is a wasteful number, since it uses less digits than its factorization.

310414142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155207073.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 310414142 is about 17618.5737788278. The cubic root of 310414142 is about 677.0911951228.

Adding to 310414142 its reverse (241414013), we get a palindrome (551828155).

The spelling of 310414142 in words is "three hundred ten million, four hundred fourteen thousand, one hundred forty-two".

Divisors: 1 2 155207071 310414142