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315142016 = 277547643
BaseRepresentation
bin10010110010001…
…010111110000000
3210221222212120112
4102302022332000
51121134021031
651134330452
710544443250
oct2262127600
9727885515
10315142016
11151986952
1289659a28
135039cc87
142dbd5960
151ca0062b
hex12c8af80

315142016 has 64 divisors (see below), whose sum is σ = 719940480. Its totient is φ = 134604288.

The previous prime is 315142013. The next prime is 315142019. The reversal of 315142016 is 610241513.

It is an interprime number because it is at equal distance from previous prime (315142013) and next prime (315142019).

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 315141982 and 315142000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315142013) 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, 489791 + ... + 490433.

It is an arithmetic number, because the mean of its divisors is an integer number (11249070).

Almost surely, 2315142016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 315142016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359970240).

315142016 is an abundant number, since it is smaller than the sum of its proper divisors (404798464).

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

315142016 is an equidigital number, since it uses as much as digits as its factorization.

315142016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211 (or 1199 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 315142016 is about 17752.2397460151. The cubic root of 315142016 is about 680.5114491368.

Adding to 315142016 its reverse (610241513), we get a palindrome (925383529).

The spelling of 315142016 in words is "three hundred fifteen million, one hundred forty-two thousand, sixteen".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 448 547 643 896 1094 1286 2188 2572 3829 4376 4501 5144 7658 8752 9002 10288 15316 17504 18004 20576 30632 35008 36008 41152 61264 70016 72016 82304 122528 144032 245056 288064 351721 490112 576128 703442 1406884 2462047 2813768 4924094 5627536 9848188 11255072 19696376 22510144 39392752 45020288 78785504 157571008 315142016