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1352471040 = 29335171151
BaseRepresentation
bin101000010011101…
…0001001000000000
310111020220122111000
41100213101020000
510232213033130
6342112052000
745341546154
oct12047211000
93436818430
101352471040
11634486568
12318b34000
1318727a02b
14cb89d064
157db07260
hex509d1200

1352471040 has 320 divisors, whose sum is σ = 5091102720. Its totient is φ = 339148800.

The previous prime is 1352471011. The next prime is 1352471083. The reversal of 1352471040 is 401742531.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1352470995 and 1352471013.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1174465 + ... + 1175615.

It is an arithmetic number, because the mean of its divisors is an integer number (15909696).

Almost surely, 21352471040 is an apocalyptic number.

1352471040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1352471040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2545551360).

1352471040 is an abundant number, since it is smaller than the sum of its proper divisors (3738631680).

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

1352471040 is a wasteful number, since it uses less digits than its factorization.

1352471040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200 (or 1178 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 1352471040 is about 36775.9573634732. The cubic root of 1352471040 is about 1105.8833637073.

The spelling of 1352471040 in words is "one billion, three hundred fifty-two million, four hundred seventy-one thousand, forty".