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1340970 = 23544699
BaseRepresentation
bin101000111011000101010
32112010110120
411013120222
5320402340
644424110
714253351
oct5073052
92463416
101340970
11836544
12548036
1337c497
1426c998
151b74d0
hex14762a

1340970 has 16 divisors (see below), whose sum is σ = 3218400. Its totient is φ = 357584.

The previous prime is 1340959. The next prime is 1340981. The reversal of 1340970 is 790431.

It is an interprime number because it is at equal distance from previous prime (1340959) and next prime (1340981).

It is a self number, because there is not a number n which added to its sum of digits gives 1340970.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22320 + ... + 22379.

It is an arithmetic number, because the mean of its divisors is an integer number (201150).

21340970 is an apocalyptic number.

1340970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1340970 is an abundant number, since it is smaller than the sum of its proper divisors (1877430).

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

1340970 is a wasteful number, since it uses less digits than its factorization.

1340970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44709.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 1340970 is about 1158.0025906707. The cubic root of 1340970 is about 110.2739727077.

The spelling of 1340970 in words is "one million, three hundred forty thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 44699 89398 134097 223495 268194 446990 670485 1340970