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1346990620 = 225139499971
BaseRepresentation
bin101000001001001…
…0111001000011100
310110212121012202111
41100102113020130
510224312144440
6341354403404
745244142233
oct12022271034
93425535674
101346990620
11631382a98
12317130564
131860ab691
14cac73b1a
157d3c34ea
hex5049721c

1346990620 has 48 divisors (see below), whose sum is σ = 2857680000. Its totient is φ = 533298240.

The previous prime is 1346990611. The next prime is 1346990627. The reversal of 1346990620 is 260996431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1346990627) 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, 1386735 + ... + 1387705.

It is an arithmetic number, because the mean of its divisors is an integer number (59535000).

Almost surely, 21346990620 is an apocalyptic number.

1346990620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1346990620 is an abundant number, since it is smaller than the sum of its proper divisors (1510689380).

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

1346990620 is a wasteful number, since it uses less digits than its factorization.

1346990620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618 (or 1616 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 1346990620 is about 36701.3708190852. The cubic root of 1346990620 is about 1104.3876052262.

The spelling of 1346990620 in words is "one billion, three hundred forty-six million, nine hundred ninety thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 139 278 499 556 695 971 998 1390 1942 1996 2495 2780 3884 4855 4990 9710 9980 19420 69361 134969 138722 269938 277444 346805 484529 539876 674845 693610 969058 1349690 1387220 1938116 2422645 2699380 4845290 9690580 67349531 134699062 269398124 336747655 673495310 1346990620