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8678442 = 234013607
BaseRepresentation
bin100001000110…
…110000101010
3121022220120210
4201012300222
54210202232
6510001550
7133523403
oct41066052
917286523
108678442
114998273
122aa62b6
131a4b196
14121c9aa
15b665cc
hex846c2a

8678442 has 16 divisors (see below), whose sum is σ = 17404992. Its totient is φ = 2884800.

The previous prime is 8678399. The next prime is 8678447. The reversal of 8678442 is 2448768.

It is a self number, because there is not a number n which added to its sum of digits gives 8678442.

It is not an unprimeable number, because it can be changed into a prime (8678447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 603 + ... + 4209.

It is an arithmetic number, because the mean of its divisors is an integer number (1087812).

Almost surely, 28678442 is an apocalyptic number.

8678442 is an abundant number, since it is smaller than the sum of its proper divisors (8726550).

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

8678442 is a wasteful number, since it uses less digits than its factorization.

8678442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4013.

The product of its digits is 86016, while the sum is 39.

The square root of 8678442 is about 2945.9195508364. The cubic root of 8678442 is about 205.5009915830.

The spelling of 8678442 in words is "eight million, six hundred seventy-eight thousand, four hundred forty-two".

Divisors: 1 2 3 6 401 802 1203 2406 3607 7214 10821 21642 1446407 2892814 4339221 8678442