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312117414 = 2377431367
BaseRepresentation
bin10010100110101…
…000100010100110
3210202022012121020
4102212220202212
51114400224124
650545432010
710506645210
oct2246504246
9722265536
10312117414
11150200484
128863b606
134c88137b
142d6495b0
151c604379
hex129a88a6

312117414 has 16 divisors (see below), whose sum is σ = 713411328. Its totient is φ = 89176392.

The previous prime is 312117391. The next prime is 312117437. The reversal of 312117414 is 414711213.

It is an interprime number because it is at equal distance from previous prime (312117391) and next prime (312117437).

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, 3715642 + ... + 3715725.

It is an arithmetic number, because the mean of its divisors is an integer number (44588208).

Almost surely, 2312117414 is an apocalyptic number.

312117414 is an abundant number, since it is smaller than the sum of its proper divisors (401293914).

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

312117414 is a wasteful number, since it uses less digits than its factorization.

312117414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7431379.

The product of its digits is 672, while the sum is 24.

The square root of 312117414 is about 17666.8450494139. The cubic root of 312117414 is about 678.3273582103.

Adding to 312117414 its reverse (414711213), we get a palindrome (726828627).

The spelling of 312117414 in words is "three hundred twelve million, one hundred seventeen thousand, four hundred fourteen".

Divisors: 1 2 3 6 7 14 21 42 7431367 14862734 22294101 44588202 52019569 104039138 156058707 312117414