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1220060404 = 22476489683
BaseRepresentation
bin100100010111000…
…1010010011110100
310011000202111020101
41020232022103310
54444313413104
6321022043444
742143225263
oct11056122364
93130674211
101220060404
11576768492
122a0719584
131659c9244
14b80725da
157219e5a4
hex48b8a4f4

1220060404 has 12 divisors (see below), whose sum is σ = 2180533824. Its totient is φ = 597050744.

The previous prime is 1220060393. The next prime is 1220060453. The reversal of 1220060404 is 4040600221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3244654 + ... + 3245029.

It is an arithmetic number, because the mean of its divisors is an integer number (181711152).

Almost surely, 21220060404 is an apocalyptic number.

It is an amenable number.

1220060404 is a deficient number, since it is larger than the sum of its proper divisors (960473420).

1220060404 is a wasteful number, since it uses less digits than its factorization.

1220060404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6489734 (or 6489732 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1220060404 is about 34929.3630631880. The cubic root of 1220060404 is about 1068.5473646857.

Adding to 1220060404 its reverse (4040600221), we get a palindrome (5260660625).

The spelling of 1220060404 in words is "one billion, two hundred twenty million, sixty thousand, four hundred four".

Divisors: 1 2 4 47 94 188 6489683 12979366 25958732 305015101 610030202 1220060404