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1355013642 = 23277815291
BaseRepresentation
bin101000011000011…
…1101111000001010
310111102200211021110
41100300331320022
510233340414032
6342242351150
745402266043
oct12060757012
93442624243
101355013642
11635962894
1231995b4b6
1318795a428
14cbd618ca
157de5a7cc
hex50c3de0a

1355013642 has 16 divisors (see below), whose sum is σ = 2719814112. Its totient is φ = 450040080.

The previous prime is 1355013641. The next prime is 1355013643. The reversal of 1355013642 is 2463105531.

It is an interprime number because it is at equal distance from previous prime (1355013641) and next prime (1355013643).

It is a super-2 number, since 2×13550136422 = 3672123940012208328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1355013641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405984 + ... + 409307.

It is an arithmetic number, because the mean of its divisors is an integer number (169988382).

Almost surely, 21355013642 is an apocalyptic number.

1355013642 is an abundant number, since it is smaller than the sum of its proper divisors (1364800470).

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

1355013642 is a wasteful number, since it uses less digits than its factorization.

1355013642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815573.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 1355013642 is about 36810.5099394181. The cubic root of 1355013642 is about 1106.5759382524.

The spelling of 1355013642 in words is "one billion, three hundred fifty-five million, thirteen thousand, six hundred forty-two".

Divisors: 1 2 3 6 277 554 831 1662 815291 1630582 2445873 4891746 225835607 451671214 677506821 1355013642