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1350977445 = 32552335737
BaseRepresentation
bin101000010000110…
…0100011110100101
310111011002202122200
41100201210132211
510231322234240
6342020045113
745323055516
oct12041443645
93434082580
101350977445
11633656394
12318533799
13186b7624c
14cb5d0a0d
157d90e930
hex508647a5

1350977445 has 24 divisors (see below), whose sum is σ = 2342549976. Its totient is φ = 720258048.

The previous prime is 1350977401. The next prime is 1350977461. The reversal of 1350977445 is 5447790531.

1350977445 is a `hidden beast` number, since 135 + 0 + 9 + 77 + 445 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 97180164 + 1253797281 = 9858^2 + 35409^2 .

It is not a de Polignac number, because 1350977445 - 210 = 1350976421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1350977445.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 232617 + ... + 238353.

It is an arithmetic number, because the mean of its divisors is an integer number (97606249).

Almost surely, 21350977445 is an apocalyptic number.

1350977445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1350977445 is a deficient number, since it is larger than the sum of its proper divisors (991572531).

1350977445 is a wasteful number, since it uses less digits than its factorization.

1350977445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10981 (or 10978 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The square root of 1350977445 is about 36755.6450766409. The cubic root of 1350977445 is about 1105.4761214033.

The spelling of 1350977445 in words is "one billion, three hundred fifty million, nine hundred seventy-seven thousand, four hundred forty-five".

Divisors: 1 3 5 9 15 45 5233 5737 15699 17211 26165 28685 47097 51633 78495 86055 235485 258165 30021721 90065163 150108605 270195489 450325815 1350977445