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2902240 = 255111797
BaseRepresentation
bin1011000100100011100000
312110110010101
423010203200
51220332430
6142112144
733445225
oct13044340
95413111
102902240
111702550
12b7b654
137a8003
1455794c
153c4dca
hex2c48e0

2902240 has 96 divisors (see below), whose sum is σ = 8001504. Its totient is φ = 983040.

The previous prime is 2902219. The next prime is 2902259. The reversal of 2902240 is 422092.

It is a happy number.

It is a super-3 number, since 3×29022403 = 73336676593078272000, which contains 333 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29872 + ... + 29968.

It is an arithmetic number, because the mean of its divisors is an integer number (83349).

22902240 is an apocalyptic number.

2902240 is a gapful number since it is divisible by the number (20) 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 2902240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4000752).

2902240 is an abundant number, since it is smaller than the sum of its proper divisors (5099264).

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

2902240 is a wasteful number, since it uses less digits than its factorization.

2902240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2902240 is about 1703.5961962860. The cubic root of 2902240 is about 142.6410217781.

The spelling of 2902240 in words is "two million, nine hundred two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 11 16 17 20 22 32 34 40 44 55 68 80 85 88 97 110 136 160 170 176 187 194 220 272 340 352 374 388 440 485 544 680 748 776 880 935 970 1067 1360 1496 1552 1649 1760 1870 1940 2134 2720 2992 3104 3298 3740 3880 4268 5335 5984 6596 7480 7760 8245 8536 10670 13192 14960 15520 16490 17072 18139 21340 26384 29920 32980 34144 36278 42680 52768 65960 72556 85360 90695 131920 145112 170720 181390 263840 290224 362780 580448 725560 1451120 2902240