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1220060342 = 2610030171
BaseRepresentation
bin100100010111000…
…1010010010110110
310011000202111011002
41020232022102312
54444313412332
6321022043302
742143225144
oct11056122266
93130674132
101220060342
11576768436
122a0719532
131659c91c7
14b8072594
157219e562
hex48b8a4b6

1220060342 has 4 divisors (see below), whose sum is σ = 1830090516. Its totient is φ = 610030170.

The previous prime is 1220060341. The next prime is 1220060377. The reversal of 1220060342 is 2430600221.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220060341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305015084 + ... + 305015087.

It is an arithmetic number, because the mean of its divisors is an integer number (457522629).

Almost surely, 21220060342 is an apocalyptic number.

1220060342 is a deficient number, since it is larger than the sum of its proper divisors (610030174).

1220060342 is an equidigital number, since it uses as much as digits as its factorization.

1220060342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610030173.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1220060342 is about 34929.3621756825. The cubic root of 1220060342 is about 1068.5473465855.

Adding to 1220060342 its reverse (2430600221), we get a palindrome (3650660563).

The spelling of 1220060342 in words is "one billion, two hundred twenty million, sixty thousand, three hundred forty-two".

Divisors: 1 2 610030171 1220060342