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1228694082 = 237112659511
BaseRepresentation
bin100100100111100…
…0110001001000010
310011122000010102020
41021033012021002
510004021202312
6321531102310
742306504330
oct11117061102
93148003366
101228694082
11580625060
122a35a1996
1316772cc25
14b927cb50
1572d0778c
hex493c6242

1228694082 has 32 divisors (see below), whose sum is σ = 3063757824. Its totient is φ = 319141200.

The previous prime is 1228694059. The next prime is 1228694101. The reversal of 1228694082 is 2804968221.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1329294 + ... + 1330217.

It is an arithmetic number, because the mean of its divisors is an integer number (95742432).

Almost surely, 21228694082 is an apocalyptic number.

1228694082 is an abundant number, since it is smaller than the sum of its proper divisors (1835063742).

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

1228694082 is a wasteful number, since it uses less digits than its factorization.

1228694082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2659534.

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 1228694082 is about 35052.7328749129. The cubic root of 1228694082 is about 1071.0619445080.

The spelling of 1228694082 in words is "one billion, two hundred twenty-eight million, six hundred ninety-four thousand, eighty-two".

Divisors: 1 2 3 6 7 11 14 21 22 33 42 66 77 154 231 462 2659511 5319022 7978533 15957066 18616577 29254621 37233154 55849731 58509242 87763863 111699462 175527726 204782347 409564694 614347041 1228694082