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45070230 = 23517671319
BaseRepresentation
bin1010101111101…
…1011110010110
310010210210201210
42223323132112
543014221410
64250002250
71055043042
oct253733626
9103723653
1045070230
1123493a27
1213116386
13945059a
145db3022
153e54220
hex2afb796

45070230 has 64 divisors (see below), whose sum is σ = 116328960. Its totient is φ = 11134464.

The previous prime is 45070217. The next prime is 45070237. The reversal of 45070230 is 3207054.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 45070197 and 45070206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45070237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33511 + ... + 34829.

It is an arithmetic number, because the mean of its divisors is an integer number (1817640).

Almost surely, 245070230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45070230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58164480).

45070230 is an abundant number, since it is smaller than the sum of its proper divisors (71258730).

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

45070230 is a wasteful number, since it uses less digits than its factorization.

45070230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 45070230 is about 6713.4365268467. The cubic root of 45070230 is about 355.8742717657.

Adding to 45070230 its reverse (3207054), we get a palindrome (48277284).

The spelling of 45070230 in words is "forty-five million, seventy thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 67 85 102 134 170 201 255 335 402 510 670 1005 1139 1319 2010 2278 2638 3417 3957 5695 6595 6834 7914 11390 13190 17085 19785 22423 34170 39570 44846 67269 88373 112115 134538 176746 224230 265119 336345 441865 530238 672690 883730 1325595 1502341 2651190 3004682 4507023 7511705 9014046 15023410 22535115 45070230