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2428776 = 233276179
BaseRepresentation
bin1001010000111101101000
311120101122200
421100331220
51110210101
6124020200
726433660
oct11207550
94511580
102428776
111409859
12991660
1367065c
144731a0
1532e986
hex250f68

2428776 has 96 divisors (see below), whose sum is σ = 7737600. Its totient is φ = 673920.

The previous prime is 2428771. The next prime is 2428781. The reversal of 2428776 is 6778242.

It is an interprime number because it is at equal distance from previous prime (2428771) and next prime (2428781).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is a d-powerful number, because it can be written as 27 + 47 + 221 + 85 + 7 + 74 + 67 .

It is a self number, because there is not a number n which added to its sum of digits gives 2428776.

It is not an unprimeable number, because it can be changed into a prime (2428771) 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, 30705 + ... + 30783.

It is an arithmetic number, because the mean of its divisors is an integer number (80600).

22428776 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 2428776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3868800).

2428776 is an abundant number, since it is smaller than the sum of its proper divisors (5308824).

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

2428776 is a wasteful number, since it uses less digits than its factorization.

2428776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 152 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 2428776 is about 1558.4530791782. The cubic root of 2428776 is about 134.4195656039.

The spelling of 2428776 in words is "two million, four hundred twenty-eight thousand, seven hundred seventy-six".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 61 63 72 79 84 122 126 158 168 183 237 244 252 316 366 427 474 488 504 549 553 632 711 732 854 948 1098 1106 1281 1422 1464 1659 1708 1896 2196 2212 2562 2844 3318 3416 3843 4392 4424 4819 4977 5124 5688 6636 7686 9638 9954 10248 13272 14457 15372 19276 19908 28914 30744 33733 38552 39816 43371 57828 67466 86742 101199 115656 134932 173484 202398 269864 303597 346968 404796 607194 809592 1214388 2428776