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1906996 = 22713331
BaseRepresentation
bin111010001100100110100
310120212220111
413101210310
5442010441
6104512404
722131520
oct7214464
93525814
101906996
111092833
1277b704
1351a000
14378d80
1527a081
hex1d1934

1906996 has 48 divisors (see below), whose sum is σ = 4264960. Its totient is φ = 730080.

The previous prime is 1906987. The next prime is 1906997. The reversal of 1906996 is 6996091.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1906997) 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, 61501 + ... + 61531.

21906996 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1906996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2132480).

1906996 is an abundant number, since it is smaller than the sum of its proper divisors (2357964).

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

1906996 is a wasteful number, since it uses less digits than its factorization.

1906996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 40.

The square root of 1906996 is about 1380.9402593885. The cubic root of 1906996 is about 124.0080639917.

The spelling of 1906996 in words is "one million, nine hundred six thousand, nine hundred ninety-six".

Divisors: 1 2 4 7 13 14 26 28 31 52 62 91 124 169 182 217 338 364 403 434 676 806 868 1183 1612 2197 2366 2821 4394 4732 5239 5642 8788 10478 11284 15379 20956 30758 36673 61516 68107 73346 136214 146692 272428 476749 953498 1906996