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1353617020 = 225789108637
BaseRepresentation
bin101000010101110…
…1000111001111100
310111100001212110201
41100223220321330
510233011221040
6342152413244
745354361210
oct12053507174
93440055421
101353617020
11635099558
123193a7224
1318758b822
14cbaba940
157dc81a9a
hex50ae8e7c

1353617020 has 48 divisors (see below), whose sum is σ = 3285213120. Its totient is φ = 458878464.

The previous prime is 1353616969. The next prime is 1353617029. The reversal of 1353617020 is 207163531.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 1353617020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1353617029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41859 + ... + 66778.

It is an arithmetic number, because the mean of its divisors is an integer number (68441940).

Almost surely, 21353617020 is an apocalyptic number.

1353617020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1353617020 is an abundant number, since it is smaller than the sum of its proper divisors (1931596100).

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

1353617020 is a wasteful number, since it uses less digits than its factorization.

1353617020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108742 (or 108740 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 1353617020 is about 36791.5346241496. The cubic root of 1353617020 is about 1106.1956223816.

The spelling of 1353617020 in words is "one billion, three hundred fifty-three million, six hundred seventeen thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 89 140 178 356 445 623 890 1246 1780 2492 3115 6230 12460 108637 217274 434548 543185 760459 1086370 1520918 2172740 3041836 3802295 7604590 9668693 15209180 19337386 38674772 48343465 67680851 96686930 135361702 193373860 270723404 338404255 676808510 1353617020