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2920464 = 2432171193
BaseRepresentation
bin1011001001000000010000
312111101010100
423021000100
51221423324
6142332400
733552321
oct13110020
95441110
102920464
111715208
12b8a100
137b33b1
14560448
153ca4c9
hex2c9010

2920464 has 60 divisors (see below), whose sum is σ = 8661276. Its totient is φ = 915456.

The previous prime is 2920457. The next prime is 2920469. The reversal of 2920464 is 4640292.

It can be written as a sum of positive squares in 2 ways, for example, as 1904400 + 1016064 = 1380^2 + 1008^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (2920469) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1852 + ... + 3044.

22920464 is an apocalyptic number.

2920464 is a gapful number since it is divisible by the number (24) 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 2920464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4330638).

2920464 is an abundant number, since it is smaller than the sum of its proper divisors (5740812).

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

2920464 is a wasteful number, since it uses less digits than its factorization.

2920464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224 (or 1215 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 2920464 is about 1708.9365114012. The cubic root of 2920464 is about 142.9389603704.

The spelling of 2920464 in words is "two million, nine hundred twenty thousand, four hundred sixty-four".

Divisors: 1 2 3 4 6 8 9 12 16 17 18 24 34 36 48 51 68 72 102 136 144 153 204 272 306 408 612 816 1193 1224 2386 2448 3579 4772 7158 9544 10737 14316 19088 20281 21474 28632 40562 42948 57264 60843 81124 85896 121686 162248 171792 182529 243372 324496 365058 486744 730116 973488 1460232 2920464