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47222070 = 23571092063
BaseRepresentation
bin1011010000100…
…0110100110110
310021212010111120
42310020310312
544042101240
64404044410
71112244450
oct264106466
9107763446
1047222070
1124723705
1213993706
139a24b6c
1463b32d0
15422bad0
hex2d08d36

47222070 has 64 divisors (see below), whose sum is σ = 130775040. Its totient is φ = 10689408.

The previous prime is 47222057. The next prime is 47222081. The reversal of 47222070 is 7022274.

It is a self number, because there is not a number n which added to its sum of digits gives 47222070.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21859 + ... + 23921.

It is an arithmetic number, because the mean of its divisors is an integer number (2043360).

Almost surely, 247222070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47222070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65387520).

47222070 is an abundant number, since it is smaller than the sum of its proper divisors (83552970).

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

47222070 is a wasteful number, since it uses less digits than its factorization.

47222070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2189.

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 47222070 is about 6871.8316335603. The cubic root of 47222070 is about 361.4500924925.

The spelling of 47222070 in words is "forty-seven million, two hundred twenty-two thousand, seventy".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 109 210 218 327 545 654 763 1090 1526 1635 2063 2289 3270 3815 4126 4578 6189 7630 10315 11445 12378 14441 20630 22890 28882 30945 43323 61890 72205 86646 144410 216615 224867 433230 449734 674601 1124335 1349202 1574069 2248670 3148138 3373005 4722207 6746010 7870345 9444414 15740690 23611035 47222070