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2406478428 = 223283805381
BaseRepresentation
bin1000111101101111…
…1111001001011100
320012201012202210200
42033123333021130
514412024302203
61034443103500
7113430505044
oct21733771134
96181182720
102406478428
111025437952
12571b11b90
132c4746643
1418b868724
15e14059a3
hex8f6ff25c

2406478428 has 36 divisors (see below), whose sum is σ = 6156340008. Its totient is φ = 792493920.

The previous prime is 2406478411. The next prime is 2406478429. The reversal of 2406478428 is 8248746042.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×24064784282 = 11582276848858702368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2406478429) 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, 399703 + ... + 405678.

Almost surely, 22406478428 is an apocalyptic number.

It is an amenable number.

2406478428 is an abundant number, since it is smaller than the sum of its proper divisors (3749861580).

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

2406478428 is a wasteful number, since it uses less digits than its factorization.

2406478428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805474 (or 805469 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 45.

The square root of 2406478428 is about 49055.8704743887. The cubic root of 2406478428 is about 1340.0695048228.

The spelling of 2406478428 in words is "two billion, four hundred six million, four hundred seventy-eight thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 83 166 249 332 498 747 996 1494 2988 805381 1610762 2416143 3221524 4832286 7248429 9664572 14496858 28993716 66846623 133693246 200539869 267386492 401079738 601619607 802159476 1203239214 2406478428