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2029090 = 257241101
BaseRepresentation
bin111101111011000100010
310211002101111
413233120202
51004412330
6111253534
723150500
oct7573042
93732344
102029090
111166538
1281a2aa
1356075b
143ab670
152a132a
hex1ef622

2029090 has 48 divisors (see below), whose sum is σ = 4395384. Its totient is φ = 672000.

The previous prime is 2029087. The next prime is 2029091. The reversal of 2029090 is 909202.

It can be written as a sum of positive squares in 4 ways, for example, as 1640961 + 388129 = 1281^2 + 623^2 .

It is not an unprimeable number, because it can be changed into a prime (2029091) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20040 + ... + 20140.

22029090 is an apocalyptic number.

2029090 is an abundant number, since it is smaller than the sum of its proper divisors (2366294).

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

2029090 is a wasteful number, since it uses less digits than its factorization.

2029090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 2029090 is about 1424.4613016857. The cubic root of 2029090 is about 126.6000188009.

The spelling of 2029090 in words is "two million, twenty-nine thousand, ninety".

Divisors: 1 2 5 7 10 14 35 41 49 70 82 98 101 202 205 245 287 410 490 505 574 707 1010 1414 1435 2009 2870 3535 4018 4141 4949 7070 8282 9898 10045 20090 20705 24745 28987 41410 49490 57974 144935 202909 289870 405818 1014545 2029090