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1015220214 = 23256401123
BaseRepresentation
bin111100100000110…
…000011111110110
32121202022112022200
4330200300133312
54034344021324
6244423405330
734105141461
oct7440603766
92552275280
101015220214
11481079a78
12243bb3846
13132438b28
1498b902d8
155e1daec9
hex3c8307f6

1015220214 has 12 divisors (see below), whose sum is σ = 2199643836. Its totient is φ = 338406732.

The previous prime is 1015220201. The next prime is 1015220233. The reversal of 1015220214 is 4120225101.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 56401123 = 1015220214 / (1 + 0 + 1 + 5 + 2 + 2 + 0 + 2 + 1 + 4).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28200544 + ... + 28200579.

It is an arithmetic number, because the mean of its divisors is an integer number (183303653).

Almost surely, 21015220214 is an apocalyptic number.

1015220214 is an abundant number, since it is smaller than the sum of its proper divisors (1184423622).

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

1015220214 is a wasteful number, since it uses less digits than its factorization.

1015220214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56401131 (or 56401128 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1015220214 is about 31862.5205217666. The cubic root of 1015220214 is about 1005.0478806920.

Adding to 1015220214 its reverse (4120225101), we get a palindrome (5135445315).

The spelling of 1015220214 in words is "one billion, fifteen million, two hundred twenty thousand, two hundred fourteen".

Divisors: 1 2 3 6 9 18 56401123 112802246 169203369 338406738 507610107 1015220214