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311470542 = 23313734201
BaseRepresentation
bin10010100100001…
…010100111001110
3210201002100021000
4102210022213032
51114214024132
650523521130
710501312245
oct2244124716
9721070230
10311470542
1114a8a9479
12883891a6
134c6b5ac6
142d51b95c
151c52787c
hex1290a9ce

311470542 has 32 divisors (see below), whose sum is σ = 692825760. Its totient is φ = 103723200.

The previous prime is 311470519. The next prime is 311470603. The reversal of 311470542 is 245074113.

311470542 is a `hidden beast` number, since 3 + 114 + 7 + 0 + 542 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72042 + ... + 76242.

It is an arithmetic number, because the mean of its divisors is an integer number (21650805).

Almost surely, 2311470542 is an apocalyptic number.

311470542 is an abundant number, since it is smaller than the sum of its proper divisors (381355218).

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

311470542 is a wasteful number, since it uses less digits than its factorization.

311470542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5585 (or 5579 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 311470542 is about 17648.5280406044. The cubic root of 311470542 is about 677.8584166729.

The spelling of 311470542 in words is "three hundred eleven million, four hundred seventy thousand, five hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 1373 2746 4119 4201 8238 8402 12357 12603 24714 25206 37071 37809 74142 75618 113427 226854 5767973 11535946 17303919 34607838 51911757 103823514 155735271 311470542