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70214782 = 2116152321
BaseRepresentation
bin1000010111101…
…10010001111110
311220010021120111
410023312101332
5120433333112
610544540234
71511546551
oct413662176
9156107514
1070214782
11366a8450
121b62167a
1311715511
14947a698
15626e5a7
hex42f647e

70214782 has 16 divisors (see below), whose sum is σ = 116782704. Its totient is φ = 31392000.

The previous prime is 70214759. The next prime is 70214797. The reversal of 70214782 is 28741207.

It is a super-2 number, since 2×702147822 = 9860231222615048, which contains 22 as substring.

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, 24819 + ... + 27502.

It is an arithmetic number, because the mean of its divisors is an integer number (7298919).

Almost surely, 270214782 is an apocalyptic number.

70214782 is a deficient number, since it is larger than the sum of its proper divisors (46567922).

70214782 is a wasteful number, since it uses less digits than its factorization.

70214782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52395.

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 70214782 is about 8379.4261140009. The cubic root of 70214782 is about 412.5496128879.

Adding to 70214782 its reverse (28741207), we get a palindrome (98955989).

The spelling of 70214782 in words is "seventy million, two hundred fourteen thousand, seven hundred eighty-two".

Divisors: 1 2 11 22 61 122 671 1342 52321 104642 575531 1151062 3191581 6383162 35107391 70214782