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1220550214 = 213151310889
BaseRepresentation
bin100100011000000…
…0001111001000110
310011001200101010111
41020300001321012
54444430101324
6321040343234
742150335302
oct11060017106
93131611114
101220550214
11576a72494
122a0914b1a
13165b3b180
14b815cd02
1572249794
hex48c01e46

1220550214 has 16 divisors (see below), whose sum is σ = 1984721760. Its totient is φ = 559598400.

The previous prime is 1220550211. The next prime is 1220550217. The reversal of 1220550214 is 4120550221.

It is an interprime number because it is at equal distance from previous prime (1220550211) and next prime (1220550217).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220550211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151519 + ... + 159370.

It is an arithmetic number, because the mean of its divisors is an integer number (124045110).

Almost surely, 21220550214 is an apocalyptic number.

1220550214 is a deficient number, since it is larger than the sum of its proper divisors (764171546).

1220550214 is a wasteful number, since it uses less digits than its factorization.

1220550214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311055.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 1220550214 is about 34936.3737958020. The cubic root of 1220550214 is about 1068.6903398910.

The spelling of 1220550214 in words is "one billion, two hundred twenty million, five hundred fifty thousand, two hundred fourteen".

Divisors: 1 2 13 26 151 302 1963 3926 310889 621778 4041557 8083114 46944239 93888478 610275107 1220550214